The invention relates to a convenient monitoring device with a dust removal function based on a 5G network. The device comprises a camera, a mounting block, a mounting box, a dust removal mechanism, abaffle and two mounting mechanisms, the mounting mechanism comprises a motor, a worm, a worm gear, a rotating shaft, a rotating rod, a swing rod, a fixing rod, a first bearing, a second bearing, a connecting assembly and two limiting assemblies. The dust removal mechanism comprises an air pump, an air inlet pipe, a hose, a nozzle, a supporting shaft and a transmission assembly. According to the convenient monitoring device with the dust removal function based on the 5G network, through the installation mechanism, the function of fixedly installing the camera is achieved, the installation convenience is improved, through the dust removal mechanism, the function of removing dust from the camera is achieved, the probability that dust adheres to the camera is reduced, and the monitoring effect is improved.