Gallbladder stones 2cm need surgery. Gallbladder stones of 2cm require surgery, as they not only irritate the gallbladder wall and cause pain in the right upper abdomen, but also have the risk of malignant changes. If the stone is combined with porcelain gallbladder, gallbladder wall thickening 3mm, etc., surgery is more recommended. Gallbladder stone 2cm exists in the gallbladder, it is easy to stimulate the gallbladder wall, thus causing pain in the right upper abdomen, and long-term stimulation of the gallbladder wall will easily lead to abnormal growth, which will easily lead to malignant changes, forming gallbladder cancer. When stones are combined with porcelain gallbladder, gallbladder wall thickening of 3mm, the risk of gallbladder malignancy will increase, and surgical treatment is more recommended. It is recommended that patients with gallbladder stones should have a light and easy-to-digest diet, and avoid a high-fat and high-cholesterol diet.