Gallbladder polyps 0.4 x 0.3 cm are usually not serious and do not need to be removed; however, they cannot be generalized and need to be assessed in conjunction with clinical symptoms and other comprehensive assessment, and can usually be followed up closely for observation. Gallbladder polyps can be divided into cholesterol polyps, inflammatory polyps, adenomatous polyps, adenomatous hyperplasia and tissue ectopic polyps. Among them, gallbladder adenomatous polyps are potential precancerous lesions that can develop into gallbladder cancer. Cholesterol polyps, inflammatory polyps and other non-tumor polyps will not become cancerous. Generally speaking, gallbladder polyps of 0.4*0.3cm are not serious and usually do not require surgical treatment. However, if accompanied by gallbladder stones, polyps grow faster, polyps grow to a diameter of more than 1cm, polyps have a tendency to malignant lesions, cholecystitis recurrent episodes and other uncomfortable conditions, it is recommended that surgical treatment. It is recommended that patients go to the hospital regularly to review the liver and gallbladder ultrasound, pay attention to the changes in the condition, and follow up with the doctor in time when there are obvious discomforts.