为见诸经中．无过与不及之病而有病．

八十难曰．有见如入．谓左手见气来至乃纳针．针入见气尽www.med126.com/jianyan/乃出针．非用迎随补泻之www.med126.com/shiti/法不虚不实．不虚谓真气未虚．不实谓邪气未实．以此故自取其经施其法也．