The pressure pain in the right abdomen is often caused by the following reasons: 1. If the patient is suffering from acute appendicitis or chronic appendicitis, there may be pressure pain in the right lower abdomen at the point of McDonald’s, and in severe cases, it may be accompanied by rebound pain and muscle tension, and it is necessary to go to the hospital for blood tests, C-reactive protein, abdominal ultrasound or CT for clarification. If this is the case, anti-inflammatory treatment should be given and the appendix should be removed surgically. 2. It may be a urinary stone, so you need to check the urinary ultrasound and urinary routine for clarification. The patient should be given anti-inflammatory treatment and surgery to remove the appendix. 3, it may be caused by muscle damage of the abdominal wall. 4, it cannot be excluded that it is caused by malignant tumor of the intestine, which needs to be clarified by colonoscopy and abdominal CT. The patient should not drink alcohol or eat spicy food during the pain.