In general, gallstones of 3 cm require surgical treatment. Excess gallbladder can cause inflammatory reaction, loss of gallbladder function, and also an increased risk of cancer, so it needs to be treated aggressively. Gallstones can be multiple or single. I. Multiple gallstones: If the patient has multiple gallstones of 3 cm, surgery is recommended. Because multiple gallstones with a diameter of 3cm can easily irritate the gallbladder wall and cause repeated infections in the bile ducts, thus causing chronic cholecystitis, which affects health and is prone to recurrence, so surgery is recommended for this type of condition. Second, single gallstones: If the single gallstones are 3cm in diameter and repeatedly obstruct the gallbladder jug abdomen, causing acute attacks of cholecystitis and biliary colic, affecting normal work and life, or even leading to more serious purulent cholecystitis, early surgery is recommended. If the combined gallbladder polyp exceeds 1cm, there is a risk of polyp enlargement; the gallbladder wall exceeds 5mm, often combined with chronic cholecystitis, and this thickening of the gallbladder wall, under the continuous stimulation of inflammation, may become cancerous, both need to be treated by surgery as soon as possible. If gallstones lead to abnormal storage and excretion of bile, causing serious loss of gallbladder function, they should be surgically removed as soon as possible to prevent malignancy and stop the damage in time. Patients should pay attention to good daily living habits, more rest, regular meals and proper physical exercise. It is recommended to eat low-fat and high-fiber food and less high-cholesterol food. Avoid staying up late, face life positively and optimistically, avoid tension and anxiety, etc.