AIM:To analyze and discuss the reason of corneal foreign body,treatment and prognosis.METHODS:This retrospective study included 792 cases(803 eyes) with corneal foreign body hurt.The ages,sexes,foreign bodies,classification and prognosis were analyzed.RESULTS:In all cases,747 cases(94.3%) were male and most patients were 19-40 years old.The foreign body was metal in 736 cases(91.7%).And the foreign bodies of 184 eyes(22.9%) were at corneal zone C,335 eyes(41.7%) at cornea zone B,and 284 eyes(35.4%)at cornea zone A.In all cases,58 cases(7.2%) arrived found combined infection.There were no serious complications and vision loss probability of 12 eyes(1.5%).CONCLUSION:Corneal foreign body is a common ocular trauma.And the visions of serious patients may decline.With treatment,most of the patients could recover well.