Bile duct stones have certain hazards to the human body, the hazards are as follows: 1. The bile duct mucosa’s own cleaning effect will be weakened or disappeared, in this case, biliary tract infections are likely to occur, and patients with biliary tract infections manifest as chills, chills, fever and other infectious manifestations; 3. Therefore, stones in the lower part of the bile duct can cause high pressure in the pancreatic duct and lead to acute pancreatitis; 4. After blockage of the bile duct, it can lead to chronic inflammatory stimulation of the bile duct, and long-term chronic inflammatory stimulation can cause inflammatory carcinoma of the endothelial cells of the bile duct and cause bile duct cancer.