Tropism of nature and taste is one of the basic contents of TCM theory.
Sexual taste refers to the nature and smell of drugs, that is, four gases and five flavors. In addition to cold, heat, warmth and coolness, there are also drugs with mild and flat nature. There are five flavors: pungent, sweet, sour, bitter and salty. Spicy means spicy or spicy, which can disperse qi and relieve qi. Sweet is sweet, which has the functions of nourishing, harmonizing, harmonizing medicinal properties and relieving pain; Acid has astringent effect; Bitter taste has the functions of purging fire, clearing heat and drying dampness, which is more common in dampness-drying drugs;
However, salty taste can soften hardness and dissipate caking, and laxatives are salty. In addition to the five flavors, there are light and astringent flavors. Light and tasteless, it has the effect of moistening dryness and diuresis. Most of them are dampness-drying diuretics, which have a light taste and are mainly used to treat edema and dysuria. The astringent taste is similar to sour taste, and it also has astringent and astringent effects.
Meridian tropism is the attribution and direction of drug action, that is, the drug action is closely related to the viscera and meridians of the human body, that is, according to the nature and taste of traditional Chinese medicine and the characteristics of yin and yang and five elements, it enters the meridians of the human body, thus producing effects.
When applying the theory of meridian tropism to guide the clinical application of traditional Chinese medicine, it must be combined with the theories of four qi and five flavors, meridian tropism and ups and downs. This will help to understand and use appropriate drugs for treatment accurately and comprehensively. For example, drugs entering the lung meridian have different curative effects due to different four qi. For example, perilla leaves are pungent and warm, which can relieve exterior cold, promote qi and stomach; Mint is cool and can dissipate wind and heat; Dried ginger is hot and can warm the lungs; Scutellaria baicalensis Georgi is cold, which can clear lung and purge fire.
Drugs classified into lung meridians have different effects because of their different tastes. For example, mume acid can astringent mouth, astringe lung and relieve cough; Ephedrine was published, dispersing lung and relieving asthma; Codonopsis pilosula is willing to replenish deficiency, lung and qi; Dried tangerine peel tastes bitter, reducing qi, relieving cough and resolving phlegm; Salty gecko can tonify kidney, moisten lung and relieve asthma. Patients need to be clear about their symptoms and choose appropriate drugs for treatment under the guidance of doctors according to their specific conditions.