自从1974年在33970部队建成第一坐“74型厕所”后(详见《人民军医》1976年第8期《修建深坑滑坡式三格化粪池厕所,搞好粪污处理》和《中华医学杂志》1977年第3期《管好粪便,予防疾病》),特别是1976年全军痢疾、肝炎防治和科研工作会议以来,我区不少部队、机关、学校、医院都迅速推广了“74型厕所”。在推广过程中,有改进、提高,同时,也出现了一些问题。本文根据我们最近 Since 1974, 33970 troops built the first seat “74 type toilet ” (see “People’s Military Medical” in 1976 No. 8 “construction of deep pit landslide three septic tank toilet, do a good job of sewage treatment” and “Chinese Medical Journal” No. 3, 1977, “Managing manure and preventing disease”). Since 1976, in particular, the entire army dysentery, hepatitis prevention and treatment and scientific research work conference, many of our troops, organs, schools and hospitals have been rapidly promoted The “74 type toilet ”. In the promotion process, there has been improvement, improvement, at the same time, there have been some problems. This article based on our recent