Over-the-counter subscription refers to the subscription of fund shares through its own counter or other trading systems without going through the trading system of Shenzhen Stock Exchange, that is, subscription through fund companies, banks and securities companies and registration in the open-end fund registration and settlement system; On-site subscription refers to the subscription of fund shares through the member units of the exchange and the trading system of the exchange, that is, through the seats of securities companies in the exchange, and registered in the securities registration and settlement system. Essentially the same, the same rate of return, but the trading channels are different.