Forty minutes. According to the recipe of pressure cooker distribution, stewed sheep scorpion needs to steam in the pressure cooker for 40 minutes before it can be really stewed. Pressure cooker, also known as pressure cooker and pressure cooker, is a kind of kitchen cooker. The pressure cooker exerts pressure on water through the physical phenomenon that the boiling point of liquid will rise under higher air pressure, so that the water can reach a higher temperature without boiling, thus accelerating the efficiency of stewing food.