The steaming time of pig's feet in the pressure cooker mainly depends on personal taste and the size of pig's feet. If you like soft and rotten trotters, you can choose to cook in a pressure cooker for 30 minutes. If you like pig's trotters with slightly hard taste, you can choose pressure cooker 15-20 minutes. In addition, the size of trotters will also affect the pressure cooking time, and large trotters may take longer to cook thoroughly.