It is possible for myopia to rebound after myopia surgery. This condition is called refractive regression, which refers to the re-emergence of myopia after surgery and the re-emergence of myopia after optometry. There are two main reasons for this situation: first, the healing ability of the cornea is too strong, thus forming this performance; second, because of the surgery still do not pay attention to good eye habits, excessive use of the eyes, such as long time to look at the cell phone, computer or close reading, may also cause myopia to reappear. In order to avoid this situation, we must maintain reasonable eye habits, and if refraction occurs, we can also consider secondary surgical treatment or wearing frame glasses or corneal contact lenses, all three methods are available. In order to avoid this situation, it is recommended to maintain reasonable eye habits is the first important.