The red hot feeling on the face may be caused by physiological factors such as high environmental temperature and mental tension, or it may be caused by eczema, contact dermatitis and other diseases. 1. Physiological factors: usually the patient is in the high temperature environment, or there is mental tension, anxiety, etc., may appear on the face of the baking hot feeling of the situation, is a normal physiological phenomenon. 2. Eczema: the cause of the disease is still unclear, mostly considered with immune abnormalities, genetics, chronic infectious foci and other conditions, and dietary habits, chemicals, mental and other factors, can also induce eczema. Generally acute eczema often appear primary and polymorphic rash, and the patient will be conscious of itching, can also be accompanied by burning sensation, which can also appear on the face of the baking sensation of the situation. 3. Contact dermatitis: usually caused by skin contact with exogenous substances, resulting in skin irritation or triggering an allergic reaction. Patients often appear erythema, mild edema and other symptoms, if the condition is serious, can also appear pimples, blisters, and so on, and even erosion, oozing. Patients can also be accompanied by itching, burning, swelling and pain, which can also be manifested as a red hot feeling on the face. It is recommended that patients with baking hot feeling on the face, first actively exclude physiological factors, if it is caused by disease, but also need to consult a doctor for timely treatment.