This application discloses a laser detection apparatus, a method for manufacturing the laser detection apparatus, and a terminal, and belongs to the field of laser detection technologies, for example, light detection and ranging (Lidar). The apparatus includes a multiphase signal generation circuit, an amplifier array, and a laser transmitter array. The amplifier array includes a plurality of first amplifiers, and the laser transmitter array includes a plurality of laser transmitters. A plurality of output ends of the multiphase signal generation circuit are connected to input ends of corresponding first amplifiers, and output ends of the plurality of first amplifiers are connected to corresponding laser transmitters.