Useful. Jisu account promotion assistant is official, and the correct one is Jisu number check, which is an interface provided by Taobao. You can check the number with one click, and check the credit rating of Taobao account, buyer's evaluation, violation record, naughty value, pending delivery and receipt, transaction record, shopping cart and other information, which is very useful for buyers. Taobao is a large-scale online retail and business circle in the Asia-Pacific region, which was founded by Alibaba Group in May 2003. Taobao is a popular online shopping and retail platform in China, with nearly 600 million registered users and more than 60 million regular visitors every day. At the same time, the number of online goods has exceeded 800 million every day, with an average of 48,000 items sold every minute.