Eating chili pepper skin itching consider the possibility of allergic diseases caused by chili pepper, such as urticaria; in addition, the symptom may also be a local skin irritation reaction caused by chili pepper. 1. Allergic diseases: common diseases such as urticaria, etc., is the body’s allergic reaction to chili peppers, usually manifested as itchy skin, and the appearance of varying sizes of red or pale-white masses, the patient in the allergens test can suggest that chili peppers for strong positive sensitizers. Therefore, after eating chili peppers, patients have the phenomenon of itchy skin, accompanied by the symptom of air masses. 2. Local skin irritation: chili pepper contains capsaicin, which is an alkaline substance, and after contacting the skin, local irritation reaction can occur, such as itching, burning, pain, etc. It often occurs in the contact areas, such as perioral skin, hands, etc., which results in itchy skin after eating chili peppers, accompanied by burning sensation, etc. It is recommended that patients who have itchy skin after eating chili peppers should be treated with the same treatment as those who are allergic to the skin. It is recommended that patients with itchy skin after eating chili peppers go to regular hospitals in time for a clear diagnosis and standardized treatment under the guidance of doctors.