Actually, it's better to go to the gym. There is a kind of exercise called circular exercise, which is a combination of several kinds of exercises, such as skipping rope 100 times, doing 30 sit-ups and 20 push-ups, and doing this cycle 15 minutes or more every day. In addition, if you have dumbbells, you can also increase dumbbell exercises, and the amount of exercise can be increased slowly and appropriately. As for diet, you must eat breakfast, eat nutritious food in the morning, just eat enough, don't overdo it. Eat normally at noon, just eat 70% full. Eat 50% to 60% full at night, and eat it after dinner until breakfast the next day. This is the healthiest way to lose weight.