Because plums and ginger slices can mix the flavor and characteristics of ingredients. According to relevant information, the reason why preserved plum and ginger slices are delicious is that when these two ingredients are soaked in water or cooked together, the sour taste of preserved plum can be combined with the umami and spicy taste of ginger to form a sour and spicy taste. Dried ginger strips have the functions of invigorating stomach and astringing lung. Dried prunes are often used to treat indigestion and fatigue, and ginger strips have a good effect on people with cold constitution with cough and phlegm.