1, the definition of B shares. The official name of B shares is RMB special shares, which are denominated in RMB, subscribed and traded in foreign currency, and listed and traded on domestic (Shanghai, Shenzhen) stock exchanges. Its investors are limited to foreign natural persons, legal persons and other organizations, natural persons, legal persons and other organizations in Hongkong, Macau and Taiwan Province Province, and China citizens who have settled abroad.

2. Other investors as stipulated by China Securities Regulatory Commission. At present, B-share investors are mainly institutional investors in the above categories. B-share companies are registered and listed in China. Only investors are overseas or in China, Hongkong, Macau and Taiwan Province Province.

3. To ensure national economic security. In order to ensure the safe and orderly operation of the stock market, China strictly controls foreign exchange stock trading and divides the funds entering the stock market into A shares and B shares. A-shares are operated in RMB and B-shares in foreign exchange, which can effectively prevent the improper behavior of international speculators and help ensure China's economic security.

4. The difference between A shares and B shares lies in. The pricing of A shares, B shares and H shares is different, so domestic investors obviously do not have the conditions to speculate on B shares and H shares. A shares, B shares and H shares are only classified by English letters. Differentiated from pricing: A shares are denominated in RMB, issued by China citizens and listed in China; B shares are denominated in US dollars and Hong Kong dollars, issued to overseas investors, but listed in China; H shares are shares issued and listed by domestic enterprises in Hong Kong, and are denominated in Hong Kong dollars.