This is the "seven-day slimming soup" rumored on the Internet. No oil, no seasoning, a little salt at most. It's best to eat nothing for seven days and drink this soup. The effect will definitely have an effect, but it is also based on personal physique, and there will be individual differences. After completing the 7-day process, there will be pressure to eat again. You can check online, there will be a lot of information for reference.