Vacuum-packed rice dumplings generally do not need to cook, only need to clean after use. If it is the first time to use dry rice dumpling leaves, you need to soak in water overnight, to be softened rice dumpling leaves before cleaning, to avoid damage to the rice dumpling leaves. The leaves should also be washed gently to avoid scratching, and then left to dry. Before wrapping the dumplings, you also need to put the dumpling leaves into the hot water heating scald for about 3 minutes, which can be cleaned and sterilized, so that the dumpling leaves are more resilient. Meanwhile, if you use a pressure cooker to cook rice dumplings, it usually takes about 2-3 hours, while a regular pot needs to cook for more than 40 minutes. When cooking the rice dumplings, you need to let the dumplings completely submerged in the water, the water surface should be more than the dumplings 2-3 inches. The cooking time is related to the size of the dumplings. If the dumplings are too big, you need to extend the time appropriately. In addition, do not add raw water, if you find that the water is less you can add boiling water appropriately.