Abstract： Objective To analyze the potential association between the single ucleotide polymorphisms(SNP) of the vascular endothelial growth factor(VEGF) gene with the risk of endometriosis by meta-analysis.Methods Published case-control studies about the influence of VEGF polymorphisms on endometriosis were searched and screened in Medline,the Cochrane library,China National Knowledge Internet(CNKI),Chinese Biological Medicine Disk ( CBM ),data base of Wanfang and Foreign Medical Journal Full-Text Serv ice(FMJS).RevMan 5.0 software was used for meta-analysis.Results Finally,there were 9 literatures including 1610 endometrisis patients and 1643 controls cases,which were eligible for the criteria to investigating the VEGF SNP about - 460C/T,+ 405C/G and + 936C/T.The results of metaanalysis showed that there was no evidence for association between endometriosis and the VEGF -460C/T SNP in the genotype or allele frequencies distribution ( P ＞ 0.05 ).Significant differences were found between the frequencies distribution of VEGF + 405CC genotype( P =0.009,OR =1.45,95％ CI:1.10 - 1.91 ) and + 405 C allele ( P =0.020,OR =1.19,95 ％ CI:1.03 - 1.38 ),also between the + 936CC genotype ( P =0.050,OR=0.81,95％CI:0.66-1.00) and +936T allele (P=0.040,OR=1.20,95％CI:1.01 -1.43).Conclusions The VEGF + 405C/G and + 936C/T SNP may be associated with the risk of endometriosis.Women carrying the + 405C or the + 936T allele could significantly increase the risk of developing endometriosis.