Pregnant women’s scalp especially itchy and did not pay attention to local hygiene, hormone level imbalance and other physiological factors, can strengthen the scalp care. Also consider and seborrheic dermatitis, allergic skin disease, if necessary, can follow the doctor’s prescription medication. 1. Physiological factors: pregnant women recently did not pay attention to head hygiene, hormone imbalance during pregnancy may cause scalp special itch. Usually pregnant women need to strengthen the skin care, choose less irritating shampoo cream, daily attention should also be paid to maintain physical and mental pleasure, adequate sleep time. 2. Seborrheic dermatitis: Pregnant women suffering from seborrheic dermatitis can first take general treatment, such as maintaining a regular life, adjusting the diet, avoiding excessive cleaning or friction on the head, etc. If the effect is not satisfactory, or the condition is not satisfactory, the pregnant woman can take general treatment. If the effect of general treatment is not satisfactory or the condition is serious, if necessary, can follow the doctor’s instructions with local hydrocortisone, dexamethasone and other glucocorticoid therapy, but also local use of selenium disulfide lotion. 3. Allergic dermatosis: If it is clear that the allergy is caused by the head skin can be rinsed with water, but also local ice packs to relieve itching. If necessary, pregnant women can follow the doctor’s instructions with loratadine, cetirizine and other antihistamines, topical tacrolimus, pimecrolimus and other calcium-modulated phosphatase inhibitors, the serious condition can be topical hydrocortisone, mometasone furoate and other glucocorticoid therapy. It is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, and follow the doctor’s instructions to use medication, do not use drugs or prescriptions, so as not to affect the growth and development of the fetus.