1. Different amounts

1. Main board: the issuer's net profit in the last three fiscal years was positive and accumulated more than RMB 3 million; The net cash flow generated by operating activities in the last three fiscal years has accumulated more than RMB 5 million, or the operating income in the last three fiscal years has accumulated more than RMB 3 million.

2. Small and medium-sized board: an entrepreneurial board with a circulation of less than 1 million yuan.

Second, the indicators are different

1. Main board: the shares issued to the public are not less than 25% of the total shares of the company; If the company's total share capital exceeds 4 million yuan, the proportion of its shares issued to the public shall not be less than 1%.

2. Small and medium-sized board: three indicators have been added: capital occupation, repeated public condemnation by the exchange and high proportion guarantee.

3. Different company regulations

1. Main board: The public issuer is a joint stock limited company established according to law and continuously operating for more than three years. Where the original state-owned enterprises were reorganized and established according to law, or the newly established companies were reorganized and established as joint stock limited companies after the implementation of the Company Law of the People's Republic of China, and the main sponsors were large and medium-sized state-owned enterprises, the establishment time can be continuously calculated.

2. Small and medium-sized board: If the company's external guarantee balance (excluding companies within the scope of consolidated statements) exceeds 1 million yuan and accounts for more than 1% of the net asset value, or the company's controlling shareholder and other related parties occupy more than 2 million yuan or account for more than 5% of the net asset value, the delisting risk warning will be implemented.

Baidu Encyclopedia-Main Board Market

Baidu Encyclopedia-Small and Medium Board Stock