According to the online news of the securities times and the Shanghai Stock Exchange, this week (April 18 to April 22, 2022), the Shanghai Stock Exchange adopted written warnings and other regulatory measures for 78 abnormal securities trading behaviors such as raising and suppressing, false declaration and so on, and strictly implemented self-discipline supervision on some abnormal trading behaviors affecting the market trading order such as suppressing the stock price in the stock trading of the science and innovation board. Focus on monitoring the delisting transactions of delisted stocks such as lashia, Zhongxin and Xinyi, and the trading of risk warning stocks such as Fujian Start Group Co.Ltd(600734) and so on. Special verification was conducted on 7 major events of listed companies.