PURPOSE: A multifunctional water bucket for controlling the amount of water for a paint brush is provided to control the amount of water and to easily use the water in a water storage part of a bucket for another paint brush with holding the paint brush on a brush holder. CONSTITUTION: A multifunctional water bucket for controlling the amount of water for a paint brush integrally includes a water amount control part for a brush and a brush holder. The water amount control part includes a first water amount control part and a second water amount control part. The distance of the first water amount control part becomes narrower so that water inside the brush fit into the first water amount control part can be extracted when the brush is pulled upwardly. The amount of the water absorbed into the brush is controlled in detail by a vertical brush of the second water amount control part. The brush is horizontally held on the brush holder. A water storage part stores the water for washing the brush. The water amount control part and the brush holder are coupled to or integrated with the upper side of the bucket.
