Abstract: Taking Abelmoschus esculentus （Linn.）Moench as the raw material, flavonoids were extraceted by ultrasound-assisted alcohol extraction. Through the single factor test and orthogonal test, the optimum extraction conditions of flavonoids from Abelmoschus esculentus （Linn.）Moench were determined：Ethanol concentration 60%, solid-liquid ratio 1∶25, extraction time 30 min and extraction temperature 80 ℃. Under these conditions, the extraction rate of flavonoids was 2.41%. The research results can provide certain theoretical basis for the development of related industries in Shangluo city and also have certain reference value for similar research.

Key words: Abelmoschus esculentus （Linn.）Moench, total flavonoids, extraction process, ultrasound-assisted