However, many public companies often fail to do so. There are serious lag and interruption in information disclosure. The main manifestations are: the financial information reported in regular reports is not pragmatic, cautious or even false, profit operation, and the corresponding disclosure of major matters fails to be active and timely disclosure, which brings great inconvenience to investors' investment decisions, so that investors can not timely understand the major information of the company and make correct judgments. Improve information disclosure issues. In addition, there are many deficiencies in the regulation of some information sources.