The causes of chest pain the day after drinking mainly include the following: 1. Consider the chest pain caused by acute gastritis due to damage to the mucous membrane of the gastrointestinal tract of the organism as a result of drinking too much alcohol recently. For this cause of chest pain, on the one hand, you need to quit smoking, quit drinking, on the other hand, you need to eat a light diet, less spicy and stimulating food. If the pain is severe, you need to cooperate with the application of drugs to protect the gastric mucosa, including colloidal bismuth pectin and other symptomatic treatment. 2, considered to be caused by intercostal neuritis, mostly due to the usual history of previous chest trauma, etc., resulting in chest pain. The actual pain in the chest is caused by a history of trauma to the chest. The pain of acute cholecystitis is manifested as pain in the right upper abdomen involving the chest, which requires an abdominal ultrasound examination at the hospital to clarify, and if it is diagnosed as cholecystitis, it needs to be treated symptomatically with the application of antibacterial drugs.