1. Standard patient positions, realistic texture

2. Accurate anatomical structure, clavicle, armpit, ribsand intercostal space can clearly palpable to locateand determine the puncture site

3. Practice liver abscess puncture, guided by voiceindication, correct operation has realistic feedbackwith sense of empty and simulated liver abscess canbe extracted

4. Thorax cavity puncture, percussion confirmation,realistic feedback, pleural fluid extraction

5. Electronic monitoring, voice alert