The big data index of "Zhihuijia" covers a wide range, covering all market industries such as food, clothing, housing, entertainment and medical care, covering Internet e-commerce, offline consumption, social finance, real estate transactions and many other fields. Bosera Fund preferred partners, Ant Financial, UnionPay, Snowball, SouFun, etc. They are all leading enterprises in their respective fields, representing the industry with big data.