Codonopsis, Atractylodes macrocephala, Poria and Licorice can be drunk at any time and there is no restriction on the drinking time. Codonopsis can strengthen the spleen and the lungs (strengthen the functions of the spleen and lungs), nourish blood and promote the production of fluids, Atractylodes macrocephala can strengthen the spleen and the qi, drying dampness and water (drying dampness and reducing water-dampness in the body), stopping sweating and stabilizing the fetus, Poria can help to promote the movement of water and seepage of moisture (promoting the movement of water and fluids to eliminate dampness), strengthen the spleen and tranquilize the heart, and Glycyrrhiza glabra can replenish the spleen and benefit the qi, clearing away heat and removing toxins (eliminating heat and toxicity in the body), and easing the urgency of pain (relieving urgent pain). In addition to Poria and Licorice, Codonopsis and Rhizoma Atractylodis Macrocephalae are warm in nature, so they should be used with caution in cases of actual heat and in cases of yin deficiency and fire (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire). The adverse effects of the above drugs are not known. Boiling water with the four herbs is generally suitable for people with weak spleen and stomach or deficiency of spleen and qi, and there is no special requirement on the time of drinking, just choose your own suitable time. If the patient is not feeling well, it is recommended to consult a doctor in time. It is recommended to use drugs such as Codonopsis, Atractylodes Macrocephalae, Poria, Glycyrrhiza Uralensis and so on under the guidance of a professional doctor.