Children’s thumb peeling may be related to the usual habits, may also be allergies, vitamin deficiency and other factors. 1. Lifestyle habits, if you often like to rub your hands or often like to contact with irritating substances, may lead to children’s skin metabolism speed up, and therefore may appear thumb peeling symptoms. 2. Allergies, if the child is exposed to substances that are easily allergic, may produce an allergic reaction, so the child thumb peeling symptoms. 3. Vitamin deficiency, some children thumb peeling may also be related to the body vitamin deficiency, if the lack of vitamin C, vitamin B and other nutrients, may lead to abnormal skin metabolism, so this symptom will occur. Usually if this reaction often occurs, it is recommended to take the child to the doctor in time for examination and treatment.