上市公司通过信息披露吸引投资者购买公司股票,投资者通过上市公司披露的信息来决策自己的投资。本文以深圳证券交易所信息披露的考评度量上市公司的信息披露质量,采用换手率衡量上市公司股票流动性。 Listed companies through information disclosure to attract investors to buy shares of companies, investors through the disclosure of information listed companies to make their own investments. This paper measures the information disclosure quality of listed companies based on the evaluation of information disclosure of Shenzhen Stock Exchange, and measures the liquidity of listed companies by using the turnover ratio.