The source of money is legal, and the money raised illegally can be used for business and gain income on the post-e-treasure.

Postal Yibao is a current wealth management product jointly launched by Postal Savings Bank and E Fund Company, which is essentially a money fund product. The so-called money fund refers to the financial instruments invested in the capital market with a term of less than 1 year and issued by subjects with high credit ratings, mainly including the government, central banks, commercial banks and enterprises with high credit ratings.