Eat more alkaline foods, such as kelp, white radish, tofu, soybeans, spinach, tomatoes, apples, bananas and so on. Raise your body temperature: Hypothermia will slow down your metabolism. When your body gets cold, it will go into automatic protection mode, reduce consumption and accumulate fat. So pay attention to eat breakfast on time, eat more warm food and eat less cold food. Develop good eating habits. Get rid of the bad habit of overeating.