Drinking alcohol chest tightness feel out of breath, may be the reaction caused by alcohol allergy; or itself suffers from chronic bronchitis, atherosclerotic disease, the symptoms will be significantly aggravated after drinking alcohol. At present, it is necessary to deal with the original disease, and timely discharge of alcohol. 1. Alcohol allergy: If you are allergic to alcohol, it may cause an allergic reaction after drinking, which may lead to chest tightness and breathlessness, you should stop drinking as soon as possible, and if necessary, you can take oral loratadine and cetirizine for anti-allergy treatment, if there is no significant improvement, you need to consult a doctor in time. 2. Atherosclerosis: that is, coronary heart disease, drinking alcohol may aggravate panic, shortness of breath and other symptoms, the heavier will affect breathing. It is recommended to drink more water to accelerate excretion; if the symptoms are serious, timely consultation should be made. 3. Bronchitis: If you suffer from bronchitis, the symptoms will be aggravated after drinking alcohol. If you drink a lot of alcohol, it is recommended to drink more water to accelerate the excretion of alcohol; if there is no significant improvement, you need to consult a doctor in time. Drinking alcohol when the chest is very tight gasping for air, may also be heart failure, asthma and other diseases, it is recommended to consult a doctor in a timely manner, and through the electrocardiogram, cardiac ultrasound, lung CT and other diagnostic analysis, to understand the cause of the disease and then carry out the treatment.