Features：
1. The model is in supine position with the head turned to the left
2. Clear anatomical landmarks
3. Liver abscess puncture, find the tenderness of the liver area, there have breath holding voice prompts, perform puncture with the rhythm of breath holding
4. Place the manikin in lateral position, perform diagnostic abdominal paracentesis
5. Palce the manikin in semi-sitting position, perform thoracic puncture
6. The carotid artery is palpable to perform internal jugular vein puncture
7. Intracardiac injection
8. Iliac bone marrow puncture
9. Preoperative asepsis operation training
10. The femoral artery is palpable to perform femoral venous puncture
11. Electronic monitoring: when performing thoracic puncture and liver puncture, the puncture needle is required to puncture vertically along the upper edge of the lower rib, and there will be voice prompts for incorrect puncture