使用第四个参数$excluded\\u termshttp://codex.wordpress.org/Function_Reference/next_post_link

<?php next_post_link( $format, $next, $in_same_term = true, $excluded_terms = \'402\', $taxonomy = \'category\' ); ?>

$previous = \'<span class="meta-nav">Previous Post</span>\';
$next = \'<span class="meta-nav">Next Post</span>\';

<?php previous_post_link( $format, $previous, $in_same_term = true, $excluded_terms = \'402\', $taxonomy = \'category\' ); ?>

if ( ! function_exists( \'twentyfourteen_post_nav\' ) ) :
/**
 * Display navigation to next/previous post when applicable.
 *
 * @since Twenty Fourteen 1.0
 */
function twentyfourteen_post_nav() {
    // Don\'t print empty markup if there\'s nowhere to navigate.
    $previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, \'\', true );
    $next     = get_adjacent_post( false, \'\', false );

    if ( ! $next && ! $previous ) {
        return;
    }

    ?>
    <nav class="navigation post-navigation" role="navigation">
        <h1 class="screen-reader-text"><?php _e( \'Post navigation\', \'twentyfourteen\' ); ?></h1>
        <div class="nav-links">
            <?php
            if ( is_attachment() ) :
                previous_post_link( \'%link\', __( \'<span class="meta-nav">Published In</span>%title\', \'twentyfourteen\' ) );
            else :
                previous_post_link( \'%link\', __( \'<span class="meta-nav">Previous Post</span>\', \'twentyfourteen\' ) );
                next_post_link( \'%link\', __( \'<span class="meta-nav">Next Post</span>\', \'twentyfourteen\' ) );
            endif;
            ?>
        </div><!-- .nav-links -->
    </nav><!-- .navigation -->
    <?php
}
endif;

这就是自定义帖子类型的目的——分离不相关的内容类型。根据您的描述，类别402似乎不包含读者浏览网站时相关的内容，但下一个/上一个链接并不是您可能需要处理的唯一地方，您还需要破解日历小部件、最近的帖子和评论小部件、RSS提要生成，然后还需要破解各种插件。

您可能可以破解这些next/prev函数，或者编写一个自己的函数，但未来的证明方法是将代码改为使用CPT。