First of all, you should have a certain amount of time to exercise. Secondly, feed it a certain amount of food at a fixed time every day, not too much. Third, give dogs low-calorie and low-fat food, preferably chicken mixed with vegetables. For example, the food for sausage 1 meal can be: 2 chicken breasts and 2 Chinese cabbage. Add some salt when cooking. Cook, chop, mix well and feed it. Feed in the morning and evening 1 time. Water supply is needed 24 hours a day. Besides, don't feed anything else.