The preparations of the proprietary Chinese medicine Sijunzi are granules, pills and liquids, and the improvement of symptoms is usually seen after taking the medicine for 3 days. However, due to the severity of each individual’s condition and body constitution, the exact time of taking the medicine is subject to the doctor’s advice. Sijunzi has the effect of benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach). It is mainly used in treating deficiency of spleen and stomach qi, poor gastric intake, poor appetite and diarrhea. In this formula, Codonopsis strengthens the spleen and nourishes the stomach, Rhizoma Atractylodis Macrocephalae strengthens the spleen and dries dampness (strengthens the spleen and dispels dampness), Poria seeps dampness and strengthens the spleen, and Radix et Rhizoma Glycyrrhizae tonifies qi and harmonizes the middle. Note: This product is not suitable for those with deficiency of yin in the spleen and stomach (deficiency of yin in the spleen and stomach), which is characterized by dry mouth, tongue with little fluid and dry stool; not suitable for acute enteritis; not suitable for those with impatience and irritability, bloating in the epigastric region and belching (hiccups); and should not be used with caution by patients with diabetes mellitus. Adverse reactions and contraindications are not clear. If you feel unwell, you should go to the hospital at the first time, under the guidance of the doctor, symptomatic treatment, not self-medication, so as not to aggravate the condition.