1. Reasonable diet: reduce the intake of high-calorie foods, such as milk tea, cakes and fried foods. Increase low-calorie and high-nutrient foods, such as vegetables, fruits and chicken breast. At the same time, keep enough sleep, avoid staying up late and avoid excessive fatigue.

2. Exercise: Moderate exercise, such as jogging, swimming, yoga and other aerobic exercises, can accelerate metabolism, help burn fat and achieve the goal of losing weight.

3. Control food intake: reduce the staple foods in the diet, such as rice and bread, and increase the intake of vegetables and fruits, such as apples and cucumbers.

4. Drink slimming tea: Drinking some slimming teas, such as lotus leaf tea and black tea, can promote digestion, reduce blood lipids and help to lose weight.

5. Liposuction: If the above methods can't meet the needs of weight loss, you can consider liposuction, but you need to choose a regular hospital and doctor, and pay attention to postoperative care and diet adjustment.

It should be noted that a diet of one catty a day may be too radical and may have an impact on health. It is suggested to choose the right way to lose weight, follow the principle of scientific weight loss, and maintain good living habits and healthy lifestyles.