The model simulates a male adult upper body structure, with anatomical structure of nasal cavity, oral cavity, teeth, tongue, uvula, reply, vocal cord, trachea, bronchi, lungs, esophagus, stomach, liver, diaphragmatic muscle, and small intestine. The simulator is with realistic touch feeling; the stomach is convenient to observe, can directly observe the realistic organs, structures of chest cavity, abdominal cavity and the gastric lavage process.