The model simulates a male adult upper body structure, with anatomical structure of nasal cavity, oral cavity, teeth, tongue, uvula, reply, vocal cord, trachea, lungs, esophagus, stomach, liver and small intestine. The simulator is made of imported material with realistic touch feeling, and the stomach is made of high intensity transparent material, which is convenient to observe, can directly observe the realistic organs and structures of chest cavity and abdominal cavity and the gastric lavag