Chinese medicine drug properties include the four qi and five flavors, elevation, floating and sinking. The four qi, refers to the drug cold, hot, warm, cool four different medicinal properties. It mainly reflects the influence of drugs on the body’s yin and yang, cold and heat changes, is an important part of the theory of medicinal properties, is one of the main theoretical basis for the nature of the role of drugs. Five flavors, refers to the drug sour, bitter, sweet, pungent, salty five basic taste. In addition, there are light flavor or astringent flavor. Lifting, floating and sinking is the directional theory of drug action, mainly reflecting the tendency of drug action. Generally speaking, ascending, i.e., rising and lifting, indicating that the drug action tends to the upper; descending, i.e., down to the descending and reversing, indicating that the drug action tends to the lower; floating, i.e., outwardly dispersing, indicating that the drug action tends to the outer; sinking, inwardly astringent, indicating that the drug action tends to the inner. Professional medical questions are recommended to consult a doctor.