The utility model relates to the technical field of isolation belts, and provides a road environment-friendly green isolation belt which comprises a base, vertical supports are fixed to the two sides of the top end of the base, transverse supports are fixed to one sides of the tops of the adjacent vertical supports, planting structures are arranged on the tops of the transverse supports, and the planting structures are arranged on the top of the base. The planting structure comprises positioning holes formed in the two sides of the top of the transverse support. By arranging the planting structure, the planting box can be used for planting green plants, the position of the planting box can be conveniently determined through the positioning effect of the positioning hole and the positioning shaft, the planting box can be conveniently mounted and dismounted through the dismounting and mounting plate and the mounting bolt, and the planting box can be conveniently maintained; plants in the planting box can be conveniently replaced or maintained in time, so that the device has the functions of conveniently positioning the planting box and quickly disassembling and assembling the planting box, and the convenience and applicability of the road environment-friendly green isolation belt during use are improved.