Seborrheic dermatitis during pregnancy needs to be regulated by general measures, and medication can be administered if necessary. 1. General measures: patients with seborrheic dermatitis during pregnancy need to keep the face clean, and can use a mild cleanser to clean the skin every day. At the same time, patients should ensure enough sleep, should not stay up late for a long time. In addition, the patient’s diet should eat less high-fat, high-sugar, spicy food, such as fried food, chocolate, chili peppers and so on. 2. Medication: Pregnant women with seborrheic dermatitis can use mometasone furoate cream, fluticasone propionate cream and other glucocorticoid ointment, or pimecrolimus cream, tacrolimus ointment and other calcium-modulated phosphatase inhibitors under the guidance of a doctor. In addition, some patients may be prescribed antibacterial drugs such as salicylic acid preparations and sulfur preparations. It is recommended that pregnant women who develop seborrheic dermatitis during pregnancy need to consult a doctor, who will choose the appropriate method of treatment according to the patient’s condition.