In fact, the biggest headache for general catering businesses is the difficulty in capital turnover and the lack of stable passenger flow. Retaining and maintaining existing users is the key. Rich shopkeeper Yunxiao Store and Fu You Multi-purpose Prepaid Card Alliance just solved these two problems. Chain restaurants attract customers to deposit small membership cards through membership system, and realize cross-store settlement. For example, members can get 30 if they recharge 300, which supports consumption in different stores. After the customer successfully stores the value, it will become a loyal customer of the merchant and will come back for consumption next time. Through member stored value, it helps merchants to easily realize customer retention and cash flow withdrawal.