The kidneys produce pain when stones occur, and the sites of pain: 1. Pain is evident at the starting point of the ribs. This area is located in the middle of the back spine and the intersection of the 12th rib, that is, the next rib that can be touched with the hand, their intersection is called the rib ridge point. The pain is obvious when the kidney stone is painful, and it is also very obvious when the pain is obvious and accompanied by infection when tapping with the hand. 2. Rib and waist point. The intersection of the ribs and the psoas major muscle, the lowermost edge of a rib that can be felt with the hand, called the 12th rib, and the intersection of the paraspinal muscles called the psoas major muscle, called the rib lumbar point. Pain can also occur in this area, and it is obvious when tapping with the hand, and the pain may spread to the surrounding area and radiate elsewhere.3. Abdominal pain. Abdominal pain is usually low back pain radiating to the anterior abdomen, the pain is located in the anterior abdomen in the area under the ribs, and the pain may be accompanied by nausea, vomiting and other symptoms.