The invention relates to an evaluation method and
system based on a
disease diagnosis related group. The method comprises the following steps that: according to the information of an evaluation object, obtaining each piece of case information corresponding to the evaluation object, and grouping each piece of case information to obtain
disease diagnosis related group information corresponding to each piece of case information, wherein the evaluation object comprises a hospital, a department and a doctor; according to the
disease diagnosis related group information corresponding to each piece of case information, determining the evaluation index information of three dimensions including capacity, efficiency and quality, wherein the evaluation index information comprises a group amount, a total weight number, a case
combination index, a cost consumption index, a time consumption index, a low risk case death rate and a high risk case death rate; and according to the evaluation index information and the obtained index information of the evaluation object, evaluating the index of the evaluation object. By use of the method, on the basis of the disease diagnosis related group, information is collected, the evaluation object is evaluated, and objectivity and scientificity for evaluating medical mechanisms, doctors and the like are improved.