The invention relates to application of an
artemisia leaf extract, and in particular relates to application of an
artemisia leaf extract in a medicament for treating pulmonary heart diseases and a preparation method of the
artemisia leaf extract. The invention discloses the application of the artemisia leaf extract in preparing the medicament for treating the pulmonary heart diseases. The pulmonary heart diseases have the characteristics of high epidemicity,
high morbidity rate, high death rate and high cost, and surveys show that the morbidity rate of people living in rural areas in northern China is 0.44%, therefore, the development of a
pulmonary heart disease Chinese traditional medicine treatment medicament with a definite
curative effect, a reasonable cost and sufficient supply of goods is of great significance. Meanwhile, the traditional Chinese medicament namely artemisia leaf is further developed and studied, and is finally pushed to the market, which also is one of important paths of realizing modernization of Chinese medicaments.