Objective: To investigate the effect of Composite Divitriol Infusion (CDI) in treating tinea manum and study its antimycotic action.Methods: CDI was used to treat 139 patients with tinea manum and compared with Tinea Unguium Infusion in treating 77 cases as control. The experimental study in vivo was done, and electron microscopy (EM) was used to observe the therapeutical effect of CDI.Results: Among the 139 patients of the CDI group, 104 were cured, 21 markedly effective, 10 improved and 4 ineffective, the cure and markedly effective rate being 89.9%. The difference of effect between the CDI ...