Gallstones 7mm * 3mm belong to small stones, observation and treatment can be. For gallstones 7mm * 3mm belongs to small stones, usually do not have any clinical symptoms, often in the physical examination of the abdomen CT incidental discovery, usually pay attention to the review of abdominal ultrasound or abdominal CT examination, every 3 to 6 months to review, drink more water, appropriate exercise. If the later review of abdominal ultrasound examination, found that the diameter of gallstones increased, the diameter of more than 3 centimeters, or the gallbladder is full of gallstones, then it is necessary to deal with the need for cholecystectomy, because at this time there is a risk of developing into gallbladder cancer. Gallstones patients, usually pay attention to diet, need to low fat, low cholesterol diet, avoid greasy, spicy stimulating food, eat more vitamin-rich food, usually if there is discomfort, timely to the hospital, do not be careless, so as not to delay treatment.