The toe crevice is white, moist and rotten considering the following two diseases: 1. Skin infection, mainly due to bacterial infection. It can be treated by applying a wet compress of Phellodendron Bark Extract twice a day for 20 minutes and applying fusidic acid ointment afterwards, together with oral levocetirizine hydrochloride oral solution or dexloratadine dry suspension, as well as combined amoxicillin capsules or roxithromycin capsules. 2. Tinea pedis, which can be caused by fungal infection . Along with the application of the above treatment, terbinafine hydrochloride gel should be applied in conjunction with the treatment, which can be used to fight both bacterial and fungal infections.