The causes of children’s eight-month hair thinning mainly include the following situations: first, caused by physiological characteristics. If a child’s father or one of the mother’s side, there is a childhood hair thinning, children due to the role of genetic inheritance will also cause hair thinning, with the growth of age, most children’s hair thinning symptoms will slowly get better. Secondly, caused by children suffering from nutrient deficiencies. If the child is deficient in iron, zinc, etc., the child’s hair is also relatively thin, accompanied by anorexia, paranoia and other symptoms, the child sometimes also has anemia. Children with thin hair and lack of luster should be given iron and zinc supplements in a timely manner.