The product code of securities investment funds listed on the stock exchange is 6 digits, the first two digits 15, 16 and 18 are Shenzhen Stock Exchange Index Funds, and the first two digits 50, 5 1 and 52 are Shanghai Stock Exchange Index Funds.

The coding rules of securities investment funds that are not listed on the stock exchange are as follows: the fund code is 6 digits, the first two digits are the registration agency code (TA code) of the fund management company, and the last four digits are the product serial number.

For individual investors, the fund code can be regarded as the ID number of the fund, which is convenient to find the fund quickly.