This recipe treats phlegm retention due to deficiency of middle yang, loss of spleen health, unfavorable gasification and stagnant water. Covering the spleen governs Zhongzhou, with the function of transforming qi, which is the hub of qi movement. If the spleen-yang is insufficient and the health is not successful, it will be damp and phlegm. Phlegm drink rises and falls with qi everywhere, and stops at the chest and hypochondrium, then it is full; If the middle focus is blocked and the yang does not rise, you will see dizziness; If the heart and lungs are affected, it will cause palpitation, shortness of breath and cough; White and slippery tongue coating and heavy, slippery or tight pulse are all signs of phlegm. Zhong Jingyun: "Those with excessive phlegm should warm the medicine." (synopsis of the golden chamber) therefore, it is advisable to warm the yang and change the drink, strengthen the spleen and promote diuresis. This prescription attaches importance to sweet and light poria cocos, strengthening the spleen and promoting diuresis, infiltrating dampness and resolving phlegm, which can not only eliminate phlegm accumulation, but also be good at suppressing evil spirits. Guizhi, as a minister, has the function of warming yang, transforming qi and calming down adverse events. Linggui Shuhe is a commonly used combination of warming yang and transforming qi, which is beneficial to pingchong. Atractylodes macrocephala as assistant, the function of invigorating spleen and eliminating dampness, the combination of spirit and technique, embodies the meaning of treating phlegm from the source to the root; The combination of returning to Shu is also a commonly used combination of warming yang and strengthening spleen. There are three purposes of this recipe: First, it can be used with Guizhi to soothe the liver and relieve yang, and help warm and tonify the middle yang; Second, it can be compatible with Atractylodes macrocephala, benefiting qi and spleen, worshiping soil and benefiting water; The three drugs can be adjusted, and their effects can be used as an aid.