Postal savings wealth is new, new and prosperous, and open net worth can be bought. According to the online information query, open-ended net wealth management is a kind of wealth management products, which belongs to non-guaranteed floating income and has a fixed opening date. Open investors can purchase and redeem at will, usually once a week or once a month. The income of financial management is calculated by the rise and fall of net worth. Open net worth financial management mainly invests in assets such as deposits and bonds, with good liquidity and lower risk and return than closed financial management.