PURPOSE: A vacuum cleaner is provided to improve maintenability through the separation of each component without the disassemble of a main body. CONSTITUTION: A vacuum cleaner comprises a main body(1), a driving unit(2), a brushing unit(3), a cleansing liquid injecting unit, and a vacuum suction part. The driving part is installed below the main body and moves the main body. The brushing unit is installed in the main body and sweeps the ground as cleaning object by being contacted with the ground and rotated. The cleansing liquid injecting unit sprays cleaning liquid to the ground. The vacuum suction part is installed in the main body and sucks garbage.
