Abstract: 748 cases of burned patients were retrospectively analysed by APACHE Ⅱ (actue physiology and chronic health evaluation system) and their degree of the disease was classified and assessed. Theresults were as flows: in hospitalization, the score of mild burn was 2. 0310. 21, moderate 4. 66±0.47, severe 7. 22±0. 35, and special severe 8. 95 ± 0. 32 (P 0. 01 ); in the death, the value of terminationwas 18. 87± 1. 69; the scoring value was related to the changes of injury. lt is suggusted that APACHEⅡ system is a method and an indication of figure, which can dynamically evaluate burn changes objectlvelyand correctly, instruct the treatment, forecast the prognosis, and is helpful in the comparability and unityof clinical scientific research.