The account number is the mobile phone number. The "Peak Weight Loss" APP is a software specially designed for weight loss. It guides the required personnel to carry out various trainings through video and live broadcast. Achieve the purpose of losing weight. The software account is the mobile phone number, so it is convenient to log in through the mobile phone verification code. The "Peak Weight Loss" APP is an APP launched by Shanghai Peak Sports Management Co., Ltd., which is dedicated to helping obese people solve their troubles and get rid of fat.