1, mental disorder or psychological disorder, lack of awareness of their own conditions, blind pursuit of unrealistic perfect form; Those with severe scar constitution or abnormal coagulation mechanism should explain to the doctor in advance.

2. Diseases with bleeding tendency and hypertension, patients with active and progressive diseases of heart, lung, liver, kidney and other important organs, patients with uncontrolled diabetes and infectious diseases;

3. Congenital amblyopia, acute and chronic infections of inner or outer eyes and around eyes are not controlled and self-healed; In previous operations, those who are obviously allergic to local anesthetics or anti-anesthetics should inform the surgeon.

4, facial paralysis, palpebral fissure dysfunction; If there are infectious diseases inside and outside the eye, they should be cured before operation. Have some kind of infection, mental illness or mental disorder or mental instability.

5. Exophthalmos, fovea or eyelid retraction caused by various reasons; If you know that the operation can't achieve the desired effect, you should treat it with caution.

6. The family is firmly opposed;

7, ptosis.

8. If a woman is in menstrual period, drugs and blood coagulation disorders will occur during pregnancy or menstrual period, so as not to affect the fetus or bleeding during operation.