If hair loss is severe during pregnancy, it is best to go to a regular hospital on an empty stomach to check the blood routine, liver and kidney function, thyroid function and trace elements. Abnormal thyroid function, anemia, or abnormal liver and kidney function can all lead to hair loss, while poor rest, emotional stress and anxiety during pregnancy can also easily lead to hair loss. If the amount of hair loss exceeds 100 hairs per day, it is considered to be pathological hair loss, and it is recommended to give timely correction, usually balanced nutrition, eat more fresh vegetables, fruits, supplement all kinds of high-quality protein, dried fruits, etc., and 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 selection of weak acidic to neutral shampoo, avoid the use of alkaline shampoo, shampoo water temperature is not too high, avoid excessive cleaning.