If there is pain in the left lower abdomen after drinking, it is more likely to consider intestinal inflammation and urinary stones, as follows: 1, intestinal inflammation: when drinking alcohol, you tend to consume a lot of cold and spicy food, such as crayfish, spicy hot pot, eating hot pot, which may cause stimulation of the colon, rectum and other left lower abdominal location, which will cause pain; 2, urinary stones: the ureter is located in the back of the left lower intestinal tract, and a large number of drinking Beer and red wine may cause small stones to fall off and get stuck in the ureter position, causing spasmodic pain. Large amounts of alcohol will also cause an increase in purines, except for the left lower abdominal pain, but also lead to perineum and back radiating pain.