Typical skin lesions are dark yellow-red spots, patches or maculopapules with clear edges, and the surface is covered with greasy scales or scabs. The clinical manifestations are slightly different due to different lesion sites.

Rash usually occurs on scalp, eyebrows, eyelids, nose and both sides, behind the ears, neck, scapular region of chest, upper back, armpit, groin, umbilical fossa and other places with rich sebaceous glands.

Self-conscious symptoms are itching in different degrees;

Infantile seborrheic dermatitis mostly occurs after birth 1 month, and the lesions are mostly on scalp, forehead, eyebrows and cheeks, which are overflowing red patches with yellow scabs.

Adult seborrheic dermatitis: oily, dry or mixed, itching. Symptoms such as desquamation and erythema on the skin surface are more obvious. It is suggested to use Keyanwang, a traditional Chinese medicine, which has the functions of sterilization, anti-inflammation and skin repair, and has no irritation to the skin. It can be directly applied to the affected area. In addition, we should pay attention to the law of life, eat less greasy and spicy food, avoid washing our hair and face with alkaline soap, and avoid local scratching. The principle of Liao's local treatment is to reduce sebum, diminish inflammation and relieve itching.