The utility model provides a remote-controlled building fire monitor, which relates to the technical field of fire-fighting facilities. The utility model includes an inlet
pipe, the top end of the inlet
pipe is connected with a monitor body through a
flange, the outer surface of the monitor body is rotatably connected with a
barrel, one side of the bottom end of the
barrel is provided with a collection device by means of a convenient device, the collection device includes a collection box, a groove is formed inside the collection box, a water drainage hole is formed at the bottom end of the inner wall of the groove, and the bottom end of the collection box is fixedly connected with a telescopic
pipe. By setting the collection device, when installing the fire monitor, the collection box can be installed on one side of the bottom end of the
barrel by means of the convenient device, the bottom end of the telescopic pipe is connected with the
water recovery pipeline of the building through a
flange, and the water dripping when the water flows out through the barrel will enter the groove and be sent to the
water recovery pipeline through the telescopic pipe, so as to recover the water dripping at the barrel, reduce the waste of
water resources, and improve the
environmental protection performance when the fire monitor is used.