To evaluate the jamming effect of ship inboard and outboard radar active jamming equipment against anti-ship missile,the effectiveness and quantitative evaluation criteria of the shipboard active jamming equipment to terminal guidance radar are proposed.The general requirements for the application of the evaluation criteria is clarified, the test method and application method of the evaluation criteria are stipulated. Evaluation criteria includes quotas and evaluation of quotas.The application of the evaluation criteria includes the measurement method of the quotas,the data processing and the result evaluating.