AIM:To investigate the clinical featuries of dry eye. METHODS:Fifty-three cases,according to their complaints and history,received routine ophthalmologic examination,the fluorescent stain test,tear break-up time (BUT) and SchirmerⅠtest.Some cases received laboratorial examination.The adequate treatments were performed after clear diagnosis. RESULTS:In this study,the clear diagnosis cases was 53 cases 96 eyes.41 cases of the dry eye≥50 years old, 12 cases<50 years old. CONCLUSION:Dry eye is a common and frequently-occurring disease,but it can be easily overlooked and misdiagnosed.Understanding detailed history and the basic pathologies and differential diagnosis of dry eye disease seems to be essential to diagnosis and differentiation of dry eye from other disorders.