#$NLPurpose: The purpose of this study is to investigate the ultrasound examination of morning glory syndrome (MGS) complicated persistent hyperplastic primary vitreous (PHPV) diagnostic value.#$NLMethods: A retrospective analysis the clinical data and ultrasonic examination results of morning glory syndrome complicated persistent hyperplastic primary vitreous in zhengzhou second hospital from 01,2016 to 04, 2017.#$NLResults: Morning glory syndrome (MGS) complicated persistent hyperplastic primary vitreous (PHPV) ultrasound findings are characteristic, vitreous cavity of anechoic area pole of the backward extend to inspect nipple and convex to the muscle at the bottom of the cone, and a ribbon of strong echo, being connected with optic disc and posteriorScapsule or peripheral wall.#$NLConclusion: Morning glory syndrome (MGS) complicated persistent hyperplastic primary vitreous (PHPV) have unique sonographic findings. They may have a common genetic basis, and MGS may earlier than PHPV.