You can buy it on the fund sales platform. Take Tiantian Fund as an example: open Tiantian Fund software-search convertible bond fund-select fund-and click "Buy".

convertible bond fund refers to the fund that mainly invests in convertible bonds, and the allocation ratio of convertible bonds is generally around 6%. Convertible bonds are a way of financing for listed companies, which have both the attributes of bonds and the right to convert them into stocks.