1, systemic diseases of important organs; Hemorrhagic diseases;

2. Abnormal mental state;

3. People suffering from eye diseases, especially eye infectious diseases; Facial paralysis with palpebral fissure dysfunction;

4. Scar constitution or allergic constitution;

5. Women are pregnant or menstruating;

6. A visionary who has high expectations for surgery and unrealistic expectations. Patients whose family members disagree or who are not fully prepared for the operation should not rush to the operation.