1, there is no scientific basis and it is not credible to lose 20 pounds quickly in 7 days. Losing 20 pounds in 7 days may do harm to your health.

2, fast weight loss for 7 days and 20 kg can be treated by liposuction, and postoperative nursing measures should be taken. Liposuction is generally to make an incision in the local body, and then use a negative pressure instrument to extract the local body fat, so that you can lose weight quickly.