The interactive projection rehabilitation training system adopts the latest projection interaction technology, integrates the latest virtual reality technology and human-computer situational interaction technology, and integrates multiple training sections. It conducts targeted rehabilitation training for lower limb movement dysfunction and brain functional cognitive disorders caused by nerve damage. The system can automatically analyze and automatically generate reports. The therapist can always keep track of the patient's rehabilitation progress, which can effectively improve the therapist's work efficiency and accelerate the functional recovery of the patient.