Salvia miltiorrhiza, a traditional Chinese medicine, can be used as diet therapy, promoting blood circulation and removing blood stasis, and can achieve the effect of reducing blood lipid when used together with Polygonatum odoratum and hawthorn. Through scientific research, the side effects of Salvia miltiorrhiza are very small. Animal experiments show that no toxic reaction is observed at normal dose, and there is no adverse effect on hemogram, liver and kidney function and weight. In addition to obvious congestion, the parenchymal organs also have special changes. Salvia miltiorrhiza can be directly used for soaking in water, but be careful when using it. If you eat too much or take it for a long time, it may cause hypokalemia. So while eating salvia miltiorrhiza, it is best to eat some foods containing potassium, such as bananas, soybeans, peanuts, potatoes, mushrooms and so on.