1. Conclusion:(1)Abdominocentesis , peritoneal lavage, ultrasonic B and X ray examinations played an important role in the diagnosis of closed abdominal injuries with high accuracy and simplicity.

2. Conclusion Medical history, imaging examination and abdominocentesis are very important to diagnose the bleeding caused by rupture of liver cancer.

3. Conclusions Diagnostic abdominocentesis and B - mode sonography are accurate and frequent practice in diagnosing liver damage.

4. Methods 72 patients were performed abdominocentesis and aspirated Ascites completely.

5. Conclusions The peritomum pseudo myxoma can be diagnosed in terms of the clinical data in combination with colloid material by abdominocentesis.

6. The clinical diagnosis of IBDT depended on the clinical findings, diagnostic abdominocentesis and image examination. The diagnostic rate of ultrasonography for IBDT was 93.2%(110/118).

7. Methods Laparochemotherapy was given to 198 cases with ovary cancer, 65 cases in preserving catheter, 17 cases in embedding hypodermic chemotherapeutic pump, 116 cases in single abdominocentesis.