If you experience severe hair loss during pregnancy, it is best to go to a regular hospital on an empty stomach to have your blood count, liver and kidney function, thyroid function and trace elements checked. Abnormal thyroid function, anemia or abnormal liver and kidney function can cause hair loss, and poor rest, emotional stress and anxiety during pregnancy can also cause hair loss. If the amount of hair loss is more than 100 per day, it is considered pathological hair loss, and it is recommended to correct it in time, to have balanced nutrition, to eat more fresh vegetables and fruits, to supplement various high-quality proteins and dried fruits, etc., and to ensure quality sleep. At the same time also need to appropriate physical exercise, sunshine, all help hair growth, reduce hair loss, also need to pay attention to shampoo choose weak acidic to neutral shampoo, avoid using alkaline too strong shampoo, shampoo water temperature should not be too high, avoid excessive washing.