Based on two-dimensional triangular lattice photonic crystal， a multi-functional device of two-dimensional photonic crystal waveguide light-emitting beaming with integrated filtering function is designed， which can achieve the fusion of outgoing light beaming and specific wavelength efficient filtering. The beam structure of the emitting light is similar to the grating structure， and the beam is in the state of clustering through the mutual interference principle between the multi-channel， which improves the radiation efficiency and distance of the emitting light. The finite difference time domain method can be used to obtain the effective propagation distance of 450 at the incident wavelength of 1.447 . The structure design has a good beaming ability for incident light in the range of 1.435-1.465 . At the same time， there are two hexagonal coupled filtering structures on either side of the waveguide， the transmission efficiencies for incident light waves are close to 98.4% and 97.3% with central wavelengths of 1.490 and 1.510 ， respectively. The fusion structure successfully realizes the filtering and clustering functions.