The invention discloses a medical infusion chair capable of conducting heating automatically. The medical infusion chair comprises a chair seat, a chair back, armrests, chair legs and an infusion rod. The armrests are provided with heating pads, the chair seat is internally provided with an air bag, the air bag is connected with an air outlet pipe, the air outlet pipe is internally connected with a sliding block in a sliding mode, the sliding block is provided with a first jacking rod, the side face of the chair back is connected with a first supporting rod in a sliding mode, the first supporting rod is provided with a groove, and the groove is internally provided with a heating switch; the rear side face of the chair back is provided with a supporting block, the infusion rod is connected to the supporting block in a sliding mode and provided with a connection block, a spring is arranged between the connection block and the supporting block, the infusion rod is located over the heating switch, and the side edge of the infusion rod is provided with an automatic alarm device. According to the medical infusion chair, the heating pads are turned on and off automatically after infusion is ended; on one hand, energy waste caused by forgetting to turn off the heating pads is avoided so as to prolong the service life of the heating pads and improving safety; on the other hand, the effect of providing heating service to persons in need of the service is achieved, and the energy utilization rate is maximized.