Toe bursting but not itchy, many of the symptoms of dry skin, exfoliative keratolysis or chapped foot tinea pedis. You need to go to the hospital dermatology clinic in time to get a clear diagnosis. 1. dry skin: the elderly skin sebum lack, the skin lock water function is not good, easy to appear calves and feet are prone to dry skin symptoms. Some young people wear sandals with open toes for a long time, and the evaporation of too much water in the skin is also prone to the symptoms of dry skin. 2. Exfoliative Keratolysis: It may be related to hyperhidrosis, sweating herpes, emotions and other factors. Manifestation of both feet and toes symmetrically appeared large burst skin, usually no obvious discomfort, but the burst skin may be serious dry cracks and pain. 3. chapped tinea pedis: is caused by fungal infection of the skin, through the skin contact infection, mainly manifested as a single foot or both feet dry flaky skin, usually no conscious symptoms, severe local dry discomfort, often accompanied by excessive sweating.