Portable underwater fishing lamp capable of being quickly erected

The utility model provides a portable underwater fishing lamp capable of being quickly erected, which comprises a fixing seat, the fixing seat is used for being clamped on a ship coaming, a mounting sleeve is hinged on the fixing seat, the end part of a telescopic rod is sleeved in the mounting sleeve, an electric wire is arranged in the telescopic rod, the electric wire extends out of the end part of the telescopic rod and is electrically connected with the fishing lamp, and the fixing seat comprises a fixing clamp. A movable clamping plate is hinged to one side of the fixing clamp, the movable clamping plate and the fixing clamp form a U-shaped clamping groove, a third locking nut is arranged on the movable clamping plate, and the third locking nut penetrates through the movable clamping plate to be in threaded connection with the fixing clamp. The telescopic rod is telescopic, the fishing lamp is installed at the end of the telescopic rod, the whole telescopic rod is directly placed on the installation sle