When your dog is too obese, it is best to make a detailed eating plan to lose weight by reducing the caloric content of the food you eat. And weigh yourself regularly to control your pet's weight around the regular target, and check whether your pet's weight loss is in line with expectations. Of course, you need to participate in more exercise. Although it is difficult for dogs to lose weight through exercise alone, you still need to increase the amount of exercise. To prevent weight gain again after successful weight loss, you must still maintain a reasonable diet and appropriate exercise after successful weight loss.