Using the software spss15.0, a relative analysis was made for the senior management incentive and the performance of listed companies in the petroleum , chemistry and plastics industry in Shanghai stock exchange .The analysis result shows that the performance of company is positively related to the remuneration of the senior management , while it isn't significantly related to the share proportion of the management;the remuneration of the senior management is not obviously related to the share proportion ;the shares proportion of the senior management is negatively related to the shares proportion controlled directly by the state , while the remuneration of the senior management is not significantly related to the share proportion controlled directly by the state .The result also shows the reform of the split share structure has contributed to the establishment and the perfection of the incentive system of listed companies in the petroleum , chemistry and plastics industry .