Wei qi is generated from the water and grain essence transported by the spleen and stomach, so strengthening the function of the spleen and stomach can effectively replenish the deficiency of Wei qi. Commonly used medicines include tonifying the middle and benefiting the qi pills, ginseng and white atractylodes pills, ginseng and spleen pills, and so on. Tonifying Zhong Yi Qi Pill: It has the effect of tonifying the center of the body and benefiting the qi, in addition to the effect of elevating the yang and lifting the sunken organs. Therefore, it can be used to treat symptoms such as tiredness and fatigue caused by insufficient Wei Qi, as well as low food intake and abdominal distension. Ginseng Ling Bai Zhu San: It has the effect of tonifying the spleen and stomach, and can also benefit the lung qi. Therefore, it can be used to treat symptoms such as loose stools (scanty and unformed feces) and tiredness due to deficiency of Wei Qi. Ginseng Pill for Strengthening the Spleen: It can strengthen the spleen and benefit the qi, and can also harmonize the stomach to stop diarrhea. Therefore, it can be used to treat symptoms such as abdominal pain and loose stools, inappetence and weakness due to deficiency of Wei Qi. The adverse effects of the above drugs are not clear. Avoid indigestible food during use. It should not be taken by patients with fever and cold. Before taking the above medication, it is necessary to be guided by a doctor for diagnosis and not to take the medication by oneself, so as not to cause adverse consequences to the body.