Optical module packaging device

The utility model discloses an optical module packaging device which comprises an upper cover, a lower cover and a positioning piece, the bottom face of the lower cover is provided with a first containing groove and a second containing groove which are sunken downwards, the first containing groove and the second containing groove are communicated with each other, and the second containing groove is used for containing the positioning piece. The positioning piece comprises a containing groove and a main body part, the bottom of the containing groove protrudes towards the bottom direction relative to the main body part, and a non-return part is arranged in the containing groove and used for positioning and installing the optical module tail plug. And the positions of the return parts in the accommodating grooves in the positioning pieces of different models are different, and other structural sizes and positions of the positioning pieces are not changed. The optical modules of different lengths can be matched o