Without a Hong Kong identity card, it is difficult to open a bank account in Hong Kong. At present, both China Merchants Bank and Bank of China have China-Hong Kong cards, which can directly open US stock accounts online. Generally, it is an American Internet broker, which has a low rate and should be able to buy and sell ETFs. However, the subscription for public offering of shares is not expected. In addition, there are QDII funds officially issued in China, some of which are invested in public funds.