American cockroach medicinal composition for curing oral ulcers and preparation method thereof

The invention discloses an American cockroach medicinal composition for curing oral ulcers. The medicinal composition is mainly prepared from an active ingredient mixture prepared by mixing an American cockroach extract and metronidazole. The weight part ratio of the American cockroach extract to the metronidazole is equal to 0.8-1. 2: 0.1-0.8. A preparation method of the American cockroach medicinal composition for curing the oral ulcers comprises the following steps of: preparing the American cockroach extract, mixing active ingredients, and preparing medicaments. The medicinal composition has simple preparation method, fully exerts effects of the American cockroach extract, and effectively improves curative effects on oral ulcer diseases.