Handheld dust collector

The utility model belongs to the field of dust collectors, particularly relates to a handheld dust collector, and aims to solve the problems that an existing dust collector is insufficient in suction force, stubborn dust or stains are difficult to clean up, the dust collector can be used for cleaning the stubborn dust or stains after the stubborn dust or stains are manually cleaned by a brush and the like, the operation is tedious, and time and labor are wasted. The dust collector comprises a dust collector body and a charging seat matched with the dust collector body for charging, a dust collection opening is formed in one end of the dust collector body, and two symmetrically-arranged mounting grooves are formed in the end, close to the dust collection opening, of the dust collector body. Meanwhile, the brush is used for cleaning stubborn dust, other tools are not needed any more, after cleaning is completed, the rectangular block is used for reducing the air inlet range of the dust suction opening, then the