Lower limb traction belt with gliding alarm function

The lower limb traction belt with the gliding alarm function comprises a shank wrapping body and a thigh wrapping body which are connected with each other, a traction belt body is arranged at the lower end of the shank wrapping body, a pedal belt and an elastic sleeve are arranged at the lower end of the traction belt body, and an iron sheet is arranged on the upper end face of the elastic sleeve. A fixing paste is arranged on the outer side of the shank wrapping body, and a PLC, a battery module connected with the power supply end of the PLC, a proximity switch electrically connected with the control end of the PLC and an alarm are arranged on the outer side of the fixing paste. The device is simple in structure and convenient to wear, can realize gliding alarm of the lower limb traction belt, facilitates timely adjustment of doctors and patients, prevents the traction belt from gliding to be clamped at the ankle part of the patient to cause discomfort of the patient and influence the traction effect, and ha