分泌型免疫球蛋白A(SIgA)存在于呼吸道、消化道、泌尿道等部位外分泌液中,亦存在于初乳、唾液、鼻涕、眼泪、胆汁、尿、粪、汗液,前列腺液、子宫颈液、阴道分泌液、消化道和呼吸道等中,以初乳含量最高。它具有一定的抗菌及抗病毒作用。本文是从初乳中提取SIgA粗制液,用来治疗婴儿腹泻的疗效观察。 Secreted immunoglobulin A (SIgA) is present in the exocrine fluid of the respiratory tract, digestive tract and urinary tract. It is also present in colostrum, saliva, nasal discharge, tears, bile, urine, feces, sweat, prostatic fluid, Vaginal discharge, digestive tract and respiratory tract, etc., to the highest content of colostrum. It has a certain anti-bacterial and anti-virus effect. This article is from the colostrum extract SIgA crude solution, used to treat infantile diarrhea curative effect.