The main causes of sudden baldness in children’s hair include the following: first, symptoms caused by seborrheic dermatitis. If a child suffers from seborrheic dermatitis, it can cause sudden baldness and very oily skin. For seborrheic dermatitis in children, you can apply a decoction of raw cypress leaves for external washing, which can effectively relieve the symptoms. Secondly, it is caused by the very high psychological stress of children. If the child’s schooling is very heavy, stay up late, due to mood tension, anxiety and other emotional factors, can also cause the child’s hair suddenly bald piece. For this situation, let the child relax as much as possible, you can take the appropriate prolotherapy to relieve.