You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ',37,778,37,42,81) order by newstime' at line 1 select id,classid,tagid from ***_jfmoretags_jf_ziku where tagid in(795,778,795,42,81,,,37,778,37,42,81) order by newstime