(B3) The Finally solution is care of shoes should avoid making the feet it moisture by According to Michael L.Ramsey, MD (1996), ” shoes should be made of materials that al- low ventilation. such as mesh, cloth, or leather. Patients should avoid shoes made of vinyl, an occlusive material. Shoes should be allowed to air out at least 24 hours after use: it is a good idea to alternate wearing at least two pairs of shoes.” In order to avoid this disease, people should thnink about shoes as well because, he shoes is main cause of Petted keratolysis, it can occur from material of shoes, lack of cleaness, lack of ventilate.