In this paper,Probit model is used to select 36 delisted companies,using their financial data as basic sample and compared with other 36 normal performance non-delisted listed companies.The results show that seven financial indicators including net profit rate of total assets,net profit rate of sales,profit growth rate of main business,growth rate of total assets,ratio of liabilities to assets,current ratio and quick ratio,can better reflect the difference between delisted companies and non-delisted ones,and Probit model based on the study has a good warning effect on delisting risks of listed companies in China.