The common parts of the body where stones grow are the urinary system, gallbladder system and teeth. In addition, stones may grow in the eyes, stomach and pancreas and bronchus. Take the common parts as examples: i. Urinary system: such as kidney stones, ureteral stones, bladder stones, urethral stones, etc. The cause of the disease is still unclear and has some relationship with both external and internal factors. In short, the increase of calcium-containing substances in the organism, especially in the urinary system, the concentration of stone matrix rises and finally crystallizes to form stones. For small stones, oral medication can be used for stone removal; for medium-sized stones or patients with less serious obstruction, extracorporeal shock wave lithotripsy can be used; when the stones are large, especially if the stones are heavily obstructed and infected, minimally invasive surgery is recommended. Biliary system: including gallbladder stones, bile duct stones and intrahepatic bile duct stones, etc. 1. Gallbladder stones: the causes of gallbladder stones may be related to hormonal changes in the body, excessive obesity, and a long time high-fat diet. Once gallbladder stones appear, they should be treated promptly and cholecystectomy should be performed if necessary. 2. bile duct stones: the cause of bile duct stones is still unclear and may be related to biliary tract infection, obstruction, and parasites, etc. Surgery is the main treatment to restore bile flow in the bile duct. 3. intrahepatic bile duct stones: intrahepatic bile duct stones are closely related to biliary tract infection, in addition, environmental and genetic factors can also cause them. The stones are usually removed surgically. Third, teeth: patients with tartar have periodontal disease, gingivitis, at first there is soft scale on the surface of the teeth, slowly calcify and harden over time, it forms dental calculus. In this case, it is recommended to pay attention to oral hygiene in general, because more and more dental calculus will damage the gums, and regular use of dental cleaning can remove the calculus.