Postpartum stretch marks itching may be caused by physiological reasons, such as environmental dryness, etc.; may also be caused by pathological reasons, such as eczema, pregnancy with cholestasis, etc.. The former apply moisturizer, the latter two can be treated. 1. Physiological reasons: common such as environmental dryness. Pregnant women after giving birth to a child stretch marks itchy, no other clinical manifestations, may be the postnatal environment dry, resulting in a lack of skin moisture, causing itching. At this time, the mother must not use her hands to scratch, to avoid skin damage caused by infection, and at the same time need to maintain the temperature and humidity of the environment, under the guidance of the doctor, external moisturizers, etc., coated in the itchy place, slowly massage, to promote the absorption of the skin moisturized, can relieve the itching symptoms. 2. Pathologic causes: (1) eczema: patients can appear in the stretch marks red spots, papules, papules, accompanied by intense itching. At this time, mothers need to wear loose cotton clothes and pants to avoid clothing friction caused by itching aggravation; at the same time, under the guidance of the doctor to apply local hormone creams, such as dieldrin cream, mometasone furoate cream, etc.; itching is serious, need to be under the guidance of the doctor to take antihistamine medication to stop itching, such as loratadine, etc.. (2) pregnancy with cholestasis: maternal pregnancy with intrahepatic cholestasis, postpartum period of time may also appear in the stretch marks itching. It is recommended that patients take hepatoprotective cholestatic drugs under the guidance of the doctor, and regularly monitor the level of serum bilirubin. Itchy stretch marks after giving birth to a child may also be caused by other diseases, it is recommended that patients go to the regular hospital in a timely manner, after a clear diagnosis of standardized treatment, all drugs need to be standardized under the guidance of a doctor to use the medication during the need to stop breastfeeding, while daily life, it is recommended to eat a balanced diet, drink a lot of water, moderate exercise.