1. The operation is very simple, the size is small, the weight is light, and the multi-purpose microcomputer, simulator, keyboard, mouse, and loudspeaker are integrated into one machine, and the multi-purpose machine can save a lot of money.

2. Infinite loop, realistic effect, advanced technology, infinite loop, never distortion, can vividly simulate a variety of cardiopulmonary palpation and auscultation signs. Including: normal heart sounds, various abnormal heart sounds, various cardiovascular murmurs, pericardial friction, palpation of precordial tremor, pericardial friction, various pathological breath sounds, wet and dry rales, pleural friction, verbal tremors, etc. like a real patient.

3. Skill assessment function: Call the assessment content of cardiopulmonary palpation and auscultation through the keyboard number, let the students perform cardiopulmonary palpation and auscultation, answer the location and characteristics of the signs, and then the teacher evaluates the students' operating skills.