The invention discloses a hot air recycling device of electric heat pipe drying equipment. The upper portion of a frame is provided with a heat insulation box which is in a barrel shape; the heat insulation box is formed by heat insulation plates; the center inside the heat insulation box is provided with a hot air distributer; a plurality of air supply pipes are distributed in a radial shape with the hot air distributer as the center; an inlet end of every air supply pipe is connected with the hot air distributer; an outlet end of every air supply pipe is connected with a corresponding electric heat pipe installation seat; the hot air distributer is connected with a hot air generation device; the hot air generation device comprises an air heater and an air blower; an exhaust opening of the air blower is connected with the heat insulation box through a heat absorption air pipe. According to the hot air recycling device of the electric heat pipe drying equipment, the exhaust opening of the air blower is connected with the heat insulation box and a waste heat collection cover, the waste heat generated in the working process of the equipment is collected and recycled, and accordingly the recycling of the hot air is achieved and the energy-saving and environment-friendly effect is achieved.