First of all, you should know your ideal weight, then make a weight loss plan and realize the harm of obesity. Arrange three meals reasonably, with breakfast accounting for 35%, lunch accounting for 45% and dinner accounting for 20%. Adjust the diet structure, increase the intake of cellulose foods, such as vegetables and fruits, and avoid the intake of high-sugar and high-fat foods. Keep a good attitude to lose weight and get rid of bad habits in life, such as smoking, drinking and staying up late. Find the right way to exercise and keep good exercise habits.