We report herein a case of epidermolysis bullosa (Weber-Cockaynetype) in a 22-year-old male soldier. He had tense egg sized bulla on the both feet for about 10 years. The lesions were exacerbated during hot weather but were mild. After entering military service, lesions became severe by mecanical trauma such as prolonged walking or marching. Histopathological findings showed subepidermal bulla and a few inflammatory infiltration in the dermis.