OPTICAL MODULE

An optical module (200), comprising: an upper housing (201), a lower housing (202), a circuit board (300), and optical transceiving sub-modules (400, 500). The lower housing (202) and the upper housing (201) are closed to form a wrapping cavity, and the circuit board (300) is disposed in the interior of the wrapping cavity. The lower housing (202) comprises a cover plate (2013) and a first upper side plate (2011) and a second upper side plate (2012) that are disposed on two sides of the cover plate (2013; and the upper housing (201) comprises a bottom plate (2023) and a first lower side plate (2021) and a second lower side plate (2022) that are disposed on two sides of the bottom plate (2023). The optical transceiving sub-modules (400, 500) are disposed in the interior of the wrapping cavity and are connected to one end of the circuit board (300). An inner wall of the bottom plate (2023) is provided with a first shielding baffle group (206), and an inner wall of the cover plate (2013) is provided with a secon