Charcot’s triad (Charcot) is a collection of symptoms named after a person and contains three main symptoms, namely abdominal pain, fever, and jaundice, which are considered to be very typical clinical manifestations of common bile duct stones. The specific symptoms are as follows: 1. abdominal pain, due to stones embedded in the bile ducts, resulting in increased tension in the bile ducts or bile duct spasm leading to pain, usually paroxysmal colic, and is continuously aggravated; 2. bile duct stones fever accompanied by chills, general shivering, body temperature can reach 39 ℃, or even 40 ℃ or more, is a manifestation of septic cholangitis, mainly a large number of bacteria may enter the blood leading to systemic reaction; 3. jaundice, mainly After the gallstones block the bile ducts, the bile fails to enter the intestine and mostly enters the blood through the liver and goes to all parts of the body with the blood, resulting in yellow staining of the skin and sclera.