AUTOMOBILE WELCOME LAMP

An automobile courtesy lamp, which comprises a shell, a LED lamp, a control circuit board installed in the shell, a lens barrel assembly and a pattern projection assembly, wherein the lens barrel assembly comprises an upper part of the lens barrel, a lower part of the lens barrel and the first groove arranged in the lower part of the lens barrel, the first groove is used for placing the pattern projection assembly, and the lower part of the lens barrel is provided with a plurality of embossments or grooves; correspondingly, the upper part of the lens barrel is provided with a plurality of grooves or embossments; and the pattern projection assembly is placed in the first groove of the lower part of the lens barrel by the engagement of embossments and grooves. Compared with the prior art, the invention is capable of conveniently replacing the film without damaging the car door and courtesy lamp, saving time and costs.