Aunt Qian's membership number is the mobile phone number when she registered. The mobile phone number is unique and easy to remember, so in order to facilitate the rapid operation of customers and the system, Aunt Qian chose the mobile phone number as the member number.

Membership card refers to a certificate issued by entertainment, fitness, beauty, tourism, catering and other industries as well as shopping malls, clubs, hotels and clubs. , with a certain value, amount or consumption times, for cardholders to authenticate their membership in consumption activities and spend on it without payment or discount. The membership number is a series of numbers on the membership card.