The utility model discloses a portable lighting lamp for building safety construction. The utility model relates to the technical field of building safety construction equipment. The portable lightinglamp for building safety construction comprises a hand ring, a cavity is formed in the hand ring, limiting plates are fixedly connected to the two ends of the surface of the cavity, adjusting platespenetrate through the surfaces of the limiting plates, a fixing groove is formed in the top of the hand ring, and a clamping block is connected to the surface of the fixing groove in a clamped mode. The utility model discloses a portable lighting lamp for building safety construction. A worker can fix the wristband on an arm; the adjusting plate and the limiting plate are used for adjusting; the sponge pad is arranged on the inner surface of the wristband, so that obvious tightening marks are avoided, the comfort degree of the device is greatly improved, the searchlight is fixed to the surfaceof the wristband through the side plate, mounting and dismounting are convenient, and the practicability of the device is effectively enhanced.