Silicone with functional amino group was synthesized by several silicone monomers though hydrolysis and condensation. Different content of silicones modified epoxy resin was prepared though curing reaction of silicone and epoxy resin and curing agent. The influences of different silicone content on the properties of the modified epoxy resin were investigated. The results indicated that: with 30% addition, the tensile strength was 68.27MPa, bending strength was 81.68MPa, 800 oC residues was 26.45%, contact angle was 109.3°, 24h water absorption was 2.59%, which was 17.24%, 6.6%, 17.3%, 21.3% much higher and 0.12% lower than the original resin.