The invention discloses a quinapril hydrochloride medicinal composition, which is characterized by comprising the following components in percentage by weight: 5 to 20 percent of quinapril hydrochloride, 20 to 70 percent of lactose, 10 to 30 percent of pregelatinized starch, 5 to 20 percent of crospovidone, and 0.5 to 2 percent of silicon dioxide. The quinapril hydrochloride medicinal composition with high stability can promote product yield increase, cost reduction, industrialization and good clinic use and has obvious advantages.

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