2-3 hours. When steaming pig's trotters, you need enough time to ensure that the pig's trotters are cooked thoroughly. Before cooking the pig's trotters, you need to chop the pig's trotters into small pieces, which will be more convenient when steaming. After mincing, you need to run hot water through it. Get rid of the foam on top, add cooking wine, ginger and other ingredients, then add the ingredients and cook for 2-3 hours. Pig's trotters refer to the feet (hoofs) and calves of pigs. They are also called yuan trotters in China. They are one of the parts that are often eaten by people and have many different cooking methods.