足癣是春夏季节很常见的真菌感染性皮肤病,主要表现为足部起水疱、脱皮、皮肤增厚以及糜烂浸渍等症状,好发于足趾间和足跟部。患者大多有局部瘙痒症状,但有的病人可以只表现为足跟边缘脱屑,并无明显瘙痒症状。足跖部皮肤没有皮脂腺,它缺乏能抑制霉菌的脂肪酸。同时,足跖部皮肤汗腺较丰富,出汗较多,容易造成有利于霉菌生长的潮湿环境。再者足跖部皮肤角质层较厚,角质层中的角质蛋 Tinea pedis is a fungal infectious skin disease that is common in spring and summer. It is mainly characterized by blisters, peeling, thickening of the skin, and erosion and dipping, which occur in the toe and heel. Most patients have local pruritus symptoms, but some patients can only show the heel edge desquamation, no obvious itching symptoms. There is no sebaceous gland in the plantar part of the skin, and it lacks fatty acids that can inhibit mold. At the same time, foot and foot skin is rich in sweat glands, sweating more likely to cause humid environment conducive to mold growth. In addition, the stratum corneum of the soles of the foot is thicker and the keratin in the stratum corneum