It was prepared that a low viscosity and suitable for pultrusion molding technology epoxy resin(EP) with using ethylene glycol glycidyl ether (XY-669) as reactive diluent.The formulation XYstem of the liquid resin with low viscosity was determined through the characterization of the material properties of the XYstem.it was that when the amount of the diluent was 15 parts,the viscosity of the XYstem at room temperature had low viscosity,long application period,tensile strength up to 83MPa,bending strength up to 150MPa,and vitrification temperature (T_g) up to 151℃ at room temperature.Moreover,the carbon fiber composite material was prepared by the drawing agent forming process.The influence of the drawing agent forming temperature on the properties of the material was studied,and the optimum forming temperature process parameters were determined.The research results shown that the development of low-viscosity liquid epoxy resin met the performance requirements of tensile agent molding,and carbon fiber composite materials with excellent properties can be prepared.