Reddened and ruptured nasolabial folds are a chronic inflammatory skin disease. It is manifested as follicular, hard, pointed papules with black keratinous embolism in the center, often in dense patches, accompanied by chaffy scales on the surface. Reddened and ruptured nasolabial folds jeopardize the physical health of patients and cause psychological damage. The disease is multifactorial. Related to age and gender, most cases have a genetic predisposition, and increased androgen levels, resulting in increased sebum secretion. In addition, seborrhea is often seen in neurological diseases such as Parkinson’s disease (Pakinson’s syndrome), especially in the progression of the disease, sebaceous gland secretion level can be higher than normal 2 times; in atherosclerosis, diabetes, adrenal tumors, certain breast cancer patients and epileptic patients also have increased sebum secretion phenomenon. Chapped nasolabial folds are generally diagnosed based on symptomatic features. Facial seborrheic dermatitis often spreads from the scalp to the forehead, supraorbital region, eyelids, and nasolabial folds of the face. At the beginning of the affected area redness, iterative corn size papules, its color reddish, for a long time is the fusion, color yellow red, covered with greasy thick crust, such as cream like fat, or Zinshui yellow viscous, itching more than the eyebrow is often due to scratching and sparse off, nasolabial folds and behind the ears can be chapped. Note that according to the characteristics of the skin lesions and the distribution site to identify the following diseases: 1, head and face psoriasis. 2, pityriasis rosea. 3, ringworm. 4, erythematous pemphigoid. 5, rosacea dermatitis. Pay attention to identify the physiological nasolabial folds reddened and cracked due to weather changes, as well as the nasolabial folds cracked due to seborrheic dermatitis.