铅是一种有害的微量元素,是典型的多亲和性毒物,因而它的毒性作用遍及全身。有关其对胃肠道的影响。临床报道很多,但症状产生的机理还不清楚,铅究竟是直接作用于平滑肌还是作用于植物神经系统亦无定论,因而影响临床疗效。因此,对铅作用机制的深入研究将为建立更有效的治疗和预防方案提供理论依据,避免治疗上的盲目性,本文试图在这方面作些探索。 Lead is a harmful trace element, is a typical multi-toxic and toxic, and therefore its toxic effects throughout the body. About its effect on the gastrointestinal tract. Many clinical reports, but the mechanism of the symptoms is unclear, whether the lead is directly on the smooth muscle or act on the autonomic nervous system is inconclusive, thus affecting the clinical efficacy. Therefore, an in-depth study on the mechanism of action of lead will provide a theoretical basis for the establishment of more effective treatment and prevention programs, and avoid the treatment of blindness. This article attempts to make some exploration in this aspect.