Under normal circumstances, half of the ingredients except the main ingredients are added to the brine broth at a time. However, before using it, you need to taste the lo mei. If you lack any flavor, you should pay attention to adding water every time. The amount of water must reach the normal amount. Clean the onion and ginger inside after each use, which is beneficial to the preservation of the soup. It is best to keep it in a glass or ceramic crock, so that there will be no chemical reaction. Plastic pipes and aluminum or steel pipes are best not used. In addition, when it is not used for a long time, people should seal it and keep it in the refrigerator. It is not advisable to take it out and cook it once every three weeks to prevent deterioration!