For how to relieve pain below the left side of the rib cage after meals, to know what is the condition of pain below the left side of the rib cage after meals, first see if there is chronic gastritis, if there is chronic gastritis, it can cause radiating pain that radiates to the left side below the rib cage. We also need to see if there is chronic pancreatitis, we can do an urgent blood and urine amylase test, an ultrasound of the pancreas or a routine blood test. If there are abnormalities and the diagnosis is chronic pancreatitis, you can take oral medications that inhibit gastric acid secretion, such as omeprazole, rabeprazole, lansoprazole, pantoprazole, and also take digestive enzymes, and eat a light diet, do not drink alcohol, pay attention to rest, and do not overeat. If gastric disease is considered, gastroscopy can be done to clarify the diagnosis, regular and according to the course of medication can also make gastritis can be cured.