The hot fingers after cutting chili peppers are due to capsaicin staining on the skin, prompting the microvascular expansion in the skin to cause a hot sensation. Treatment methods include cleaning, cold compresses and medication. 1. Cleaning: patients can use cold water to rinse the finger area repeatedly, cold water can wash away part of the capsaicin, but also can promote vasoconstriction, alleviate the symptoms of hot hands. 2. Cold compress: you can also use ice or ice water on the finger area for ice, can reduce the sensitivity of the finger area skin. 3. Medication: If the hot feeling is not reduced, you can also use medication to relieve the symptoms. For example, you can apply dinexidine hydrochloride cream, glycerine lotion, lidocaine gel and other drugs to stop itching in the finger area, and if necessary, with oral cetirizine hydrochloride and other medications. It is recommended that patients seek timely medical treatment, under the guidance of the doctor to carry out the appropriate treatment, usually wear disposable gloves to minimize the irritation of capsaicin.