Children’s hair yellowing is usually related to genetic factors, malnutrition, if it is a picky eater, paranoid food caused by malnutrition caused by yellowing hair, should promptly seek medical advice, trace element testing. Common causes and treatment 1, genetic factors: If the parents’ hair is naturally yellow, then the child’s hair yellow is a genetic phenomenon, no need to worry too much, and no special treatment; 2, malnutrition: If the child long-term paranoid food, picky eating, resulting in the lack of iron, zinc, calcium and other trace elements in the body, the hair will also be yellow. You can eat animal liver, seafood, soy products, fish and other calcium, iron, zinc-rich foods, such as milk, tofu, spinach, animal offal, shrimp and other foods, or under the guidance of a doctor to take calcium, iron, zinc preparations to replenish the lack of trace elements in the body, the symptoms of yellow hair will be improved to a certain extent; 3, hereditary diseases: such as phenylketonuria, can be manifested as hair pigmentation lightening The child’s hair is yellow, while the sweat and urine have abnormal rat urine smell, and the intelligence development is backward, etc. If necessary, improve the relevant examination. Parents should pay attention to ensure the child’s nutritional balance, let the child eat more fresh vegetables, fruits and other nutritious food, at the same time, let the child ensure sufficient sleep, if accompanied by other symptoms, need to promptly seek medical attention.