The blistering of the mouth on fire can be relieved by oral administration of Huanglian Xieyue Pill and Huanglian Shangqing Pill, the efficacy of which varies from person to person, and there is no fast elimination of the claim. Huanglian Xieyue Pill has the effect of clearing heat and fire (removing heat and fire from the body), detoxifying and relaxing the bowels. It is used for mouth ulcers and blisters caused by stomach fire, as well as hot mouth and bad breath, dry mouth and thirst, constipated stools, short and red urination (small amount of urination, dark yellow in color), headache, sore throat, etc. It is also useful for people with allergies and people with cold spleen and stomach (weak and cold spleen and stomach). Allergy sufferers and people with cold spleen and stomach (spleen and stomach weak and cold), pregnant women should be cautious of using. Huanglian Shangqing Pill has the efficacy of dispersing wind and clearing heat, diarrhea and relieving pain, and is used for mouth sores caused by inflammation of stomach fire, soreness and oozing pain of the oral mucosa, dry mouth and thirst, swollen and painful gums, red and red eyes and constipation. Allergic people and people with cold spleen and stomach should not use it. The above drugs for fire mouth blisters, mouth sores, etc. have some relief, the efficacy varies from person to person, daily life should pay attention to avoid eating spicy stimulating products, clinical use of drugs need to follow the doctor’s instructions, not self-medication.