The invention discloses lung capacity training equipment for respiratory medicine. The lung capacity training equipment for the respiratory medicine is characterized in that the lung capacity trainingequipment comprises a base; a moving mechanism is disposed below the base; a lung capacity testing mechanism is arranged on the base; the lung capacity testing mechanism comprises a support table, afirst square groove, a circular test tube, a fixed table, a guide rod, a piston assembly, an electric telescopic rod, a pressure sensor, an infrared rangefinder, a cover, an air inlet, an air outlet and an electric exhaust valve; a training mechanism arranged on the support table comprises a second square groove, a water storage bottle, clean water, a vent hole, a water outlet hole, a support frame, a water outlet pipe, a gasket, a gas-distributing pipe, a second electric exhaust valve and a liquid level sensor; an oxygen supply mechanism disposed on the support table comprises a circular groove, a small oxygen bottle, an electric stop valve, a humidifier, an oxygen tube and a barometer; an air blowing mechanism is disposed on the support table; a controller is arranged on the upper surface of the support table. The lung capacity training equipment for the respiratory medicine has the advantages of simple structure and strong practicality.