If you stick to the three-day apple method. You can reduce your stomach, but you must control your diet later. It can only give you a good start. Losing weight is a long-term task. You must eat porridge and eggs for breakfast, some vegetables for lunch, less staple food, no food for dinner, some fruits and some water. Most importantly, you can't eat any snacks, carbonated drinks and high-fat and high-calorie foods during this period. I'm trying.