Herb selection internal organs

Second, herbs that tonify the internal organs and promote water metabolism are selected. In a chronic condition, herbs that protect the Spleen and Stomach, and can moderate the function of the purging herbs are used. 

Heat can stay in different internal organs and cause different symptoms, but the treatment principles and principles of herb selection are the same. Thus these are introduced first. 

Zhi Gan Cao is sweet and slightly warm, which are the principal properties of herbs that can tonify the Qi. It enters all the ordinary meridians, can tonify the Qi, moderate the speed of Qi and blood, and harmonize the functions of the internal organs. It is particularly selected in the formula with a large dosage as chief to calm the mind and relieve the palpitations and restlessness caused by Heart-Qi deficiency. 

First of all, they can directly tonify the Spleen-Qi, the source of Qi and blood, the foundation of life. It is particularly sensible for these herbs to be selected in an extremely weak condition of the internal organs. 

First, herbs that are bitter and cold or pungent and cold, can directly clear internal heat, and particularly enter the meridians and organs where the heat stays, are selected. 

Second, herbs that enter the externally/ internally related meridians and organs to clear heat or to accelerate the function of clearing heat in the related organs are selected. 

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