An EP(epoxy resin) adhesive with good flexibility was prepared when polypropylene glycoldioxirane methyl ether(grade 1217)was used as flexibility agent of EP system,and flexibility polyamide(grade2766)and common polyamide(grade 3140)were used as curing agents. The research results showed that thetensile strength and elongation at break of EP/2766 system were 22.94 MPa and 10% respectively when massfraction of 2766 was 80% in EP. The tensile strength and elongation at break of EP/3140 system were 60.00 MPaan...