好的，谢谢你的帮助，我成功了：

1：当管理员进入用户选项页面时，他可以选择他所属的类别2：然后这个用户正在创建一条新闻，我们可以看到我正在隐藏类别框3：如果我们选中，我们可以看到新闻的类别设置来自用户选择的类别

所以，让我给出我的代码，也许它会帮助一些人：）

    function restrict_user_form_enqueue_scripts($hook) {
    if ( ! in_array($hook, array(\'profile.php\', \'user-edit.php\' )))
        return;
    wp_enqueue_script(\'jquery\');
    wp_enqueue_script( \'jquery.multiple.select\', get_template_directory_uri() . \'/js/jquery.multiple.select.js\' );
    wp_register_style( \'jquery.multiple.select_css\', get_template_directory_uri() . \'/css/multiple-select.css\', false, \'1.0.0\' );
    wp_enqueue_style( \'jquery.multiple.select_css\' );
}


add_filter(\'pre_option_default_category\', \'jam_change_default_category\');

function jam_change_default_category($ID) {
    // Avoid error or heavy load !
    if ( ! is_user_logged_in() )
        return $ID;
    $user_id = get_current_user_id();
    $restrict_cat = get_user_meta( $user_id, \'_access\', true);
    if ( is_array($restrict_cat) ) {
        return reset($restrict_cat);
    } else {
        return $ID;
    }
}

/**
* Exclude categories which arent selected for this user.
*/
add_filter( \'get_terms_args\', \'restrict_user_get_terms_args\', 10, 2 );

function restrict_user_get_terms_args( $args, $taxonomies ) {
    // Dont worry if we\'re not in the admin screen
    if (! is_admin() || $taxonomies[0] !== \'category\')
        return $args;
    // Admin users are exempt.
    $currentUser = wp_get_current_user();
    if (in_array(\'administrator\', $currentUser->roles))
        return $args;

    $include = get_user_meta( $currentUser->ID, \'_access\', true);

    $args[\'include\'] = $include;
    return $args;
    //var_dump($include);
}
// Display and save data in admin dashboard
function restrict_user_form( $user ) {
    // A little security
    if ( ! current_user_can(\'add_users\'))
        return false;
    $args = array(
        \'show_option_all\'    => \'\',
        \'orderby\'            => \'ID\',
        \'order\'              => \'ASC\',
        \'show_count\'         => 0,
        \'hide_empty\'         => 0,
        \'child_of\'           => 0,
        \'exclude\'            => \'\',
        \'echo\'               => 0,
        \'hierarchical\'       => 1,
        \'name\'               => \'allow\',
        \'id\'                 => \'\',
        \'class\'              => \'postform\',
        \'depth\'              => 0,
        \'tab_index\'          => 0,
        \'taxonomy\'           => \'category\',
        \'hide_if_empty\'      => false,
        \'walker\'             => \'\'
    );

    $dropdown = wp_dropdown_categories($args);
    // We are going to modify the dropdown a little bit.
    $dom = new DOMDocument();
    //$dom->loadHTML($dropdown, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
    $dom->loadHTML( mb_convert_encoding($dropdown, \'HTML-ENTITIES\', \'UTF-8\') );
    $xpath = new DOMXpath($dom);
    $selectPath = $xpath->query("//select[@id=\'allow\']");

    if ($selectPath != false) {
        // Change the name to an array.
        $selectPath->item(0)->setAttribute(\'name\', \'allow[]\');
        // Allow multi select.
        $selectPath->item(0)->setAttribute(\'multiple\', \'yes\');

        $selected = get_user_meta( $user->ID, \'_access\', true);
        // Flag as selected the categories we\'ve previously chosen
        // Do not throught error in user\'s screen ! // @JamViet
        if ( $selected )
        foreach ($selected as $term_id) {
            // fixed delete category make error !
            if (!empty($term_id) && get_the_category_by_ID($term_id) ){
                $option = $xpath->query("//select[@id=\'allow\']//option[@value=\'$term_id\']");
                $option->item(0)->setAttribute(\'selected\', \'selected\');
            }
        }
    }
?>
    <h3><?php _e(\'Catégories de cet utilisateur\', \'restrict-author-posting\'); ?></h3>
    <table class="form-table">
        <tr>
            <th><label for="access"><?php _e(\'Choisissez les categories\', \'restrict-author-posting\') ?>:</label></th>
            <td>
                <?php echo $dom->saveXML($dom);?>
                <span class="description"><?php _e(\'\', \'restrict-author-posting\') ?></span>
            </td>
        </tr>

    </table>
    <table class="form-table">
        <tr>
            <th><label for="access"><?php _e(\'Voir seulement ces fichiers medias\', \'restrict-author-posting\') ?></label></th>
            <td>
                    <fieldset>
                    <legend class="screen-reader-text"><span><?php _e(\'Oui\', \'restrict-author-posting\') ?></span></legend>
                    <label for="_restrict_media">
                    <input type="checkbox" <?php checked (get_user_meta($user->ID, \'_restrict_media\', true), 1, 1 ) ?> value="1" id="_restrict_media" name="_restrict_media">
                <?php _e(\'Oui\', \'restrict-author-posting\') ?></label>
                    </fieldset>
            </td>
        </tr>
    </table>
    <script>
    <!--
        jQuery(\'select#allow\').multipleSelect();
    -->
    </script>
<?php
}


// Restrict Save Data
function restrict_save_data( $user_id ) {
    // check security
    if ( ! current_user_can( \'add_users\' ) )
        return false;
    // admin can not restrict himself
    if ( get_current_user_id() == $user_id )
        return false;
    // and last, save it
    if ( ! empty ($_POST[\'_restrict_media\']) ) {
        update_user_meta( $user_id, \'_restrict_media\', $_POST[\'_restrict_media\'] );
    } else {
        delete_user_meta( $user_id, \'_restrict_media\' );
    }
    if ( ! empty ($_POST[\'allow\']) ) {
        update_user_meta( $user_id, \'_access\', $_POST[\'allow\'] );
    } else  {
        delete_user_meta( $user_id, \'_access\' );
    }
}

// Remove meta box for non admin    
function remove_metaboxes() {
remove_meta_box( \'categorydiv\',\'news\',\'normal\' );
remove_meta_box( \'categorydiv\',\'etablissement\',\'normal\' );
}

// Save Category News
function save_category_news($post_ID, $post) {
    $currentUser = wp_get_current_user();
    $cat = get_user_meta( $currentUser->ID, \'_access\', true);
    $cat = array_map(\'intval\', $cat);
    wp_set_object_terms($post_ID, $cat, \'category\', true);

}

// Save Category Etablissement
function save_category_etablissement($post_ID, $post) {
    $currentUser = wp_get_current_user();
    $cat = get_user_meta( $currentUser->ID, \'_access\', true);
    $cat = array_map(\'intval\', $cat);
    wp_set_object_terms($post_ID, $cat, \'category\', true);

}
// Action let\'s go
add_action( \'admin_enqueue_scripts\', \'restrict_user_form_enqueue_scripts\' );
add_action( \'show_user_profile\', \'restrict_user_form\' );
add_action( \'edit_user_profile\', \'restrict_user_form\' );
add_action( \'personal_options_update\', \'restrict_save_data\' );
add_action( \'edit_user_profile_update\', \'restrict_save_data\' );
add_action( \'save_post_news\', \'save_category_news\', 10, 3 );
add_action( \'save_post_etablissement\', \'save_category_etablissement\', 10, 3 );
add_action( \'admin_menu\', \'remove_metaboxes\');