1. Methods Based on the autoptical result and statistical data, apply the theory of mineral resources requisite life-cycle of regional development and demonstrative method.

2. Methods Refered to related literatures and made an autoptical research.

3. Methods The autoptical pathologic and climical matericals of 11 cases of cardiogenic sudden death were analyzed.

4. Methods: The autoptical pathologic and climical matericals of 11 cases cardiogenic sudden death were analyzed.

5. Methods Based on the, autoptical result, apply the fuzzy theory and multi - grade fuzzy comprehensive appraisement means.

6. The discourse is on the basis of collecting predecessor's information, and brings to success by field autoptical and studies indoors.

7. This dissertation is finished on the basis of collecting the predecessors' achievements, and brings to successes by field autoptical and studies in doors.