Objective To research the clinical effect of vitamin AD combined with zinc preparation in adjuvant treatment of children with diarrhea.Methods Altogether 240 children with acute diarrhea admitted in infectious disease department II of Xi'an Children's Hospital from August 2014 to August 2016 were selected and randomly divided into four groups,including observation group,control group Ⅰ,control groupⅡand control group III with 60 cases in each group.Children in all groups received basic therapy,which was com...