However, the premise is that the doctor should judge whether you are suitable for this drug, for example, this drug is only suitable for cases with corneoconjunctival epithelial damage, such as dry syndrome, dry eye syndrome, and so on, before considering the application of this drug, and the use of this drug may also be suitable for post-surgical drug or trauma, wearing contact lenses caused by corneal epithelial damage. In clinical application, the drug should be used in accordance with the requirements of the doctor and the guidance of the prescription, so that it can play its therapeutic role.