Five to eight minutes. Pressure cooker is to increase the boiling point of water by increasing the pressure in the pot, so that the temperature in the stewing process is higher than that in ordinary cookers. At the same time, when stewing meat in the pressure cooker, the steam can't be discharged from the exhaust hole, forming a certain pressure, so that the trotters in the pot can be cooked and stewed within 5 to 8 minutes.