1. Lifelike appearance, realistic texture

2. Clear anatomical landmarks: shoulder blade, rib, intercostal space, spinous process, etc...

3. Percussion on the back of both sides to determine the puncture site

4. Puncture site: can be performed on both sides of the shoulder blade inferior line, midaxillary line and posterior axillaryline

5. Silumated pleural effusion can be extracted while correct operation

6. Electronic monitoring: wrong puncture site will have voice prompt