It's not necessary. JD.COM opened the wallet of the Ministry of Health to issue multiple coupons, but only one coupon can be used for the first order. The preferential service is not good, there is no need to open it. Liu, the founder of China's self-operated e-commerce enterprise, is the chairman and CEO of JD.COM Group, which owns platforms such as JD.COM Mall, JD Finance, Paipai.com and JD Intelligence.