Chinese patent medicines for dredging the liver and regulating qi (regulating the stagnation of liver qi) as well as tonifying qi and blood can be analyzed with evidence-based analysis using Easy Pill, etc. It is recommended to use the medicines under the guidance of a doctor. Easy Pill is composed of Rhizoma Atractylodis Macrocephalae, Radix Angelicae Sinensis, Radix Bupleurum Chinense, Radix Paeoniae Alba, etc. It has the efficacy of dredging the liver and strengthening the spleen (regulating liver qi and strengthening the spleen), nourishing the blood and regulating the menstrual cycle (regulating menstrual irregularities due to blood deficiency), and is often used in the treatment of menstrual irregularities caused by liver depressions and spleen deficiencies, appetite loss, distension of and pain in the chest, dizziness and vertigo, etc. It is contraindicated in the treatment of allergies to this product. It is contraindicated for those who are allergic to the product, and should not be taken by those who have excessive menstruation. Adverse reactions are not clear at the moment. It is recommended to use the above medications under the guidance of a doctor, avoid blindly and indiscriminately on their own, and if adverse reactions occur, the medication should be discontinued in time to seek medical attention.