ICU patient respiratory function training system and method based on virtual reality man-machine interaction

According to the ICU patient respiratory function training system and method based on virtual reality man-machine interaction, the characteristic of high immersion of the VR technology is utilized, a virtual scene beneficial to emotional relief is created for an ICU mechanical ventilation patient, the patient is prevented from being affected by the stress environment (noise and light) of an ICU ward, and the system and the method have the advantages that the system and the method are suitable for popularization and application. In the VR environment, through cooperation of characters, numbers, graphs, videos, animations and guide words, a multi-channel information input mode is adopted, so that a patient can improve attention, and meanwhile, the patient can more easily know the essentials of respiratory training. The patient wears the wireless biofeedback equipment, so that the patient and medical staff can perceive the quantized respiratory training state in real time, the safety of respiratory training is e