After ultra-thin hemifemtosecond surgery, patients need to pay attention to the regular use of eye drops and do a good job of eye protection and pay attention to eye hygiene. 1. Regular use of eye drops: After ultra-thin hemifemtosecond surgery, patients can usually follow the doctor’s instructions to use levofloxacin eye drops or gatifloxacin eye drops and other medications to prevent infection and control postoperative inflammation. 2. Do a good job of eye protection: after the ultra-thin semi-femtosecond surgery, patients should control the use of electronic products, develop correct eye habits, but also need to protect the eyes from impact, so as not to affect the speed of corneal recovery. 3. Pay attention to eye hygiene: after surgery, patients should also avoid water in the eye and touch water, especially when washing, must pay attention to the eye away from water sources, so as not to cause eye inflammation, affecting the recovery effect. It is recommended that patients follow the doctor’s instructions for care after the ultra-thin half-femtosecond surgery, and go to the hospital in a timely manner if any discomfort occurs.