The utility model provides a full structure waterproof elliptical light -emitting high -light -efficiency wall washing lamp belongs to wall washing lamp field, including octagonal board and radiator, octagonal board fixed mounting is on the building outer wall, octagonal board and the mutual clamping between radiator, fixed mounting has the code switch inside the connecting place of octagonal board and radiator, the inside upper and lower ends symmetry of radiator is installed with the light emitting part. The utility model discloses through setting up the mutual clamping between octagonal board and radiator, in the process of installing, only need to directly fix octagonal board and install in the building outer wall, then can directly with octagonal board between the clamping of one end of radiator, need not screw and can rotate radiator and carry out bare -handed dismounting, sets up the elliptical reflector, can reduce the light of not being illuminated and reduce the glare, through setting up the code switch and the plug, when needing to change the position of light emitting part, can unscrew the plug, adjusts the code switch in the inside, selects upper, lower or upper and lower light -emitting with this.