The invention relates to the technical field of lighting equipment, in particular to a lighting device. The lighting device comprises a driver module and a lamp body module. The surface, away from the lamp body module, of the driver module and the surface, close to the driver module, of the lamp body module are arranged to be smooth surfaces, so dust is not prone to being hidden in the lighting device; and when dust falls on the surfaces, the dust can be cleaned by water washing or wiping, which is very convenient. According to the invention, a through hole is formed in the middle of the lamp body module, so a central high-temperature area of a conventional lighting product is avoided, and temperature accumulation is effectively avoided; the driver module corresponds to the through hole and is spaced from the edge of the through hole; that is, the middle part of the lamp body module is provided with a gap channel for airflow to move upwards, and air passes through the gap channel to take away a large amount of heat, so efficient heat dissipation is realized; and therefore, the problem that an existing lighting product cannot have both advantages of easiness in cleaning and heat dissipation performance is solved.