LED panel lamp with spliced aluminum frame and implementation method of LED panel lamp

The invention discloses a spliced aluminum frame LED panel lamp which comprises four profiles with the same structure, the four profiles are connected into a rectangular structure through four connecting corner fittings, second slots are formed in the profiles, LED modules are inserted into the second slots of two oppositely arranged profiles, a clamping groove is formed in one side of each second slot, and the LED modules are inserted into the clamping grooves. A diffusion plate, a light guide plate, reflective paper and a back plate are embedded into the clamping groove from bottom to top, and a driver electrically connected with the LED module is arranged above the back plate; the invention further discloses an implementation method of the LED panel lamp with the spliced aluminum frame. The optical suite is fixed through the clamping groove in the profile, so that the light inlet side of the light guide plate is aligned with the center of the light-emitting surface of the LED module, and the bright edge of