Red bumps on the body after drinking alcohol are mainly due to alcohol allergy, or lack of acetaldehyde conversion enzyme in the body and other reasons, and can usually be relieved by the following methods: 1, stop continuing to drink alcohol, when the symptoms are mild, you can eat some fruits or alcoholic beverages, drink more water to promote alcohol metabolism, the symptoms can usually be relieved on their own after waking up; 2, when the symptoms are heavy, you can take oral medication, such as loratadine capsules, compound glycopyrrolate capsules, etc., but should not be taken on their own. Compound glycyrrhetinic acid capsule, etc., but need to be taken under the guidance of a doctor, do not self-medication. If the condition worsens, nausea, dizziness and other symptoms need to go to the hospital promptly after the examination, anti-allergy treatment, such as injection of dilute glucose solution or sodium chloride solution, can help metabolize alcohol; 3, patients with poor liver and kidney function, can supplement some food to nourish the liver and kidney, such as protein-rich beans, milk, etc.. It is recommended that patients with red bumps on the body after drinking alcohol should drink less or avoid drinking alcohol in the future, avoid drinking alcohol on an empty stomach, and drink hot soup in moderation after drinking alcohol to achieve the effect of relieving alcohol. Diet should be light, pay attention to personal hygiene and regular work and rest. Excessive drinking and irregular life may trigger alcohol allergy.