Sijunzi Pill has the effect of benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach) and is mainly used to treat qi deficiency of the spleen and stomach. Adverse reactions are not clear. Four Gentlemen Pill Codonopsis consists of Radix Codonopsis, Rhizoma Atractylodis Macrocephalae, Poria, and Radix et Rhizoma Glycyrrhizae, which has the effect of benefiting Qi and strengthening the spleen. 1. Efficacy: Radix Panax Ginseng is effective in strengthening the spleen and lungs (strengthening the functions of the spleen and lungs), nourishing blood and generating body fluid; Rhizoma Atractylodis Macrocephalae is effective in benefiting qi and strengthening the spleen, stopping sweating, and drying dampness and strengthening the spleen; Poria is beneficial to water and seepage of dampness (facilitating the operation of water to dispel dampness), and strengthening the spleen and tranquilizing the heart; Licorice is effective in replenishing the spleen and benefiting the qi, and easing the urgency and relieving the pain (relieving urgent pain symptoms). Therefore, these four herbs work together to benefit the qi and strengthen the spleen, which can regulate the spleen and stomach. 2. Effects: Four Gentlemen Pill can be used for symptoms such as shortness of breath, fatigue, lack of appetite, and loose stools (thin and unformed feces) caused by deficiency of spleen and stomach qi. 3.Contraindications::Adverse reactions and contraindications of Sijunzi Pill are not clear. It is forbidden for those who are allergic to this product, and caution should be exercised for those with allergic constitution. Take the medicine for 4 weeks without symptomatic relief, should go to the hospital. Sijunzi pill, need to be taken under the guidance of a doctor, and during the period of taking attention to dietary habits, eat less cold, spicy and greasy food.