1. The power of pressure cooker is very high, so if it is pressure cooker steaming, generally speaking, the steaming time is relatively short, about 1 minutes is enough;

2. However, there are many factors that affect the time to steam crabs in the pressure cooker, such as the size of crabs. If it is a big crab, the time to steam crabs in the pressure cooker is about 2 minutes, and if it is a small crab, it will take about 1 minutes.