A white growth in the eye is not normal, and is mostly caused by cataract, corneal leukoplakia and other pathologic factors, requiring prompt medical attention. Normal eyes have a transparent cornea in front and a white sclera in the periphery, through which the iris and pupil can be seen, with a transparent lens behind the pupil. The sudden growth of white things in the eyes is mostly caused by pathologic factors. Cataract is a variety of reasons for the lens protein degeneration and turbidity, which can be manifested as a white foreign body growing in the eye. Corneal leukoplakia is a deep, porcelain-white scar in the cornea that forms after healing from infection or trauma, and can also manifest as a white foreign body. Appearance of white things in the eye, should be timely to the hospital, improve the relevant examination, such as slit lamp examination, intraocular pressure examination, etc. to clarify the cause, and follow the doctor’s instructions for targeted treatment.