Redness and burning of the face may be caused by emotional excitement or strenuous exercise, allergic reactions, rosacea, hyperthyroidism, etc., and need to be treated with medication or surgery to address the cause. 1. Emotional excitement or strenuous exercise: sympathetic over-excitement, resulting in increased heart rate, increased cardiac output, facial capillary dilation and redness. This is a physiological phenomenon, and can be normalized after rest and emotional stability. 2. Allergic reaction: facial contact with hair, dander, dust, seafood, willow floss and other allergens, triggering the body’s immune response, resulting in capillary dilation and congestion, so red and hot. It can be treated with antihistamines such as loratadine. 3. Rosacea: Rosacea is a chronic inflammatory skin disease with persistent erythema and capillary dilatation that occurs in the middle of the face. It can lead to a persistent flushing reaction on the face, often accompanied by dryness, burning or tingling sensation of the skin. It can be treated with topical azelaic acid and other drugs. 4. Hyperthyroidism: the synthesis and secretion of thyroid hormone increases after hyperthyroidism, resulting in hypermetabolism of tissues and increased heat production, so the face is red and hot. You can eat methimazole, propylthiouracil and other drugs to treat, the effect of medication is not good you can choose surgical treatment. There are many reasons for the hot face, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, follow the doctor’s instructions to standardize the treatment, do not self-medication.