Objective:To evaluate the clinical effects of conjoint fascial sheath suspension and frontalis muscle flap suspension in correction of severe blepharoptosis.Methods:The databases of China National Knowledge Infrastruction (CNK), WANGFANG DATA, VIP, PubMed, Cochrane Library and Web of Science (SCIE) databases were searched. All relevant studies were collected from February 2002 to April 2019, and the clinical effects of conjoint fascial sheath suspension and frontalis muscle flap suspension in correction of severe blepharoptosis were studied. The correction effective rate, complication rate and recurrence rate between two operations were Meta analyzed.Results:A total of seven randomized controlled trial studies including 387 eyes of 315 patients were subject to final analysis. The conjoint fascial sheath suspension group had 158 patients (192 eyes) and frontalis muscle flap suspension group had 157 patients (195 eyes). The results showed that the correction effective rate of conjoint fascial sheath suspension was higher than frontalis muscle flap suspension. There were statistically significant difference between the two groups ( P<0.05). The rate of complication and recurrence were lower. There were statistically significant difference between the two groups ( P<0.05). Conclusions:The clinical effects of conjoint fascial sheath suspension are better than frontalis muscle flap suspension in correction of severe blepharoptosis.