Running for a week won't make you lose weight. First, it depends on the intensity of exercise. Second, it depends on whether your eating habits have changed. Third, it may take longer to lose weight. It is suggested to strengthen the intensity of exercise and do more fat burning exercise. In the usual eating habits, we should eat more vegetables, fruits and grains and reduce greasy meat. Another way is to avoid cereal, reduce the intake of junk food and drink more soup. At the same time, it is recommended to ration food and slowly slim yourself down through dieting.