Because this will lead to a decline in basal metabolism. Even if you lose a little weight in the short term, you will definitely rebound. This is not recommended. The diet is mainly light. Pay attention to regularity and health. Don't eat too much staple food. Pay attention to being less greasy and not eating snacks. Exercise actively. However, if you don't defecate for more than three days, you need to choose to use kaiselu for anal treatment. You can also drink honeysuckle water. Usually you can eat more foods with high cellulose content such as celery.