Waterproof lamp tube and waterproof lamp

The utility model discloses a waterproof lamp tube and a waterproof lamp, and the waterproof lamp tube comprises a tube body which is provided with an open end; the plug comprises a bottom wall provided with a mounting hole and a peripheral wall fixed to the open end in a sleeving mode, a rotation stopping clamping groove arranged around the mounting hole is formed in the side, facing the pipe body, of the bottom wall, a combination groove with an opening facing the pipe body is formed in the inner side of the peripheral wall, and the open end of the pipe body is inserted into the combination groove and fixed in a bonded mode; a positioning shoulder is convexly arranged on the periphery of the middle of the connecting sleeve, the first end of the connecting sleeve extends into the plug through the mounting hole, and the second end of the connecting sleeve is of a radial deformation structure; the first nut is located in the rotation stopping clamping groove and limited to rotate, and the first nut is in threa