The present invention relates to a brush for cleaning cultural properties. According to the present invention, the brush for cleaning cultural properties comprises: a head (10); brush bristles (20) having one end fixated to the head (10); an auxiliary head (30) having an inserted hole (31), into which the brush bristles (20) are inserted, and connected to the head (10) to be able to move between a surface of the head (10) and an end of the brush bristles (20); and a driving means (40) moving and fixating the auxiliary head (30). According to the present invention, the auxiliary head is provided to reciprocate between the head and the brush bristles such that it is possible to increase a friction force and thus, a cleaning effect can be increased by moving the auxiliary head close to the end of the brush bristles and fixing the same without cutting the long brush bristles. According to the present invention, the auxiliary head is moved toward the head to be fixed in a state the brush bristles protruding from an end of the auxiliary head are worn out such that the brush for cleaning cultural properties can continuously exhibit an excellent cleaning effect without discard of the brush bristles.;COPYRIGHT KIPO 2019
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