Wash chili pepper when the hand hot and painful, you can apply alcohol on the hand, vinegar and then rinse, relieve the hand suffered by the stimulation, so that the local hot and painful phenomenon as soon as possible to dissipate. Chili peppers contain a stimulating ingredient capsaicin, capsaicin is irritating to the skin mucosa. When washing chili peppers, capsaicin stained on the skin, will make the microvascular expansion, resulting in skin redness, heat, and accelerate the local metabolic rate, and at the same time stimulate the nociceptive nerves, resulting in local burning sensation and pain. Since capsaicin is alkaline and soluble in alcohol, applying it several times using alcohol, vinegar, and then rinsing with water can effectively reduce capsaicin in the skin, thus being able to relieve the localized burning pain as soon as possible. If the symptom relief is not obvious, you can also use topical cortisone butyrate ointment and other medications. It is best to wear rubber gloves when washing chili peppers to block the irritation of capsaicin on the skin, so that the symptoms of irritation will not occur.