A 1×8 optical splitter integrated chip with channel monitoring function was fabricated by integrating Y-branch with deep etched Bragg grating structure. The integrated optical chip after coupling and packaging realizes stable optical signal transmission and monitoring function at the same time in the channel. The central wavelength range of 8-channel reflectance spectrum of the integrated optical chip is 1 597 nm~1 639 nm， with an interval of 6 nm. The maximum of 3 dB bandwidth is 0.67 nm， and the minimum of channel reflectance is 88.24%. The average insertion loss of 8 channels is 11.92 dB and the output uniformity is 0.19 dB in the wavelength of 1 550 nm. The integrated optical chip designed and fabricated in this study has simple structure and high integration， which can be widely used in the construction of fiber to home and other optical network transmission， and realize the function of real-time monitoring of network link status.