The invention discloses an anti-vibration long optical path gas pool. The defect of constructing a long gas pool by utilizing space light in an original laboratory is overcome. The mounting positions of an optical collimator and a photoelectric detector are relatively fixed, and the optical fiber is utilized to input and output, so that the vibration resistance of the long optical path gas pool can be greatly promoted and the application of a spectral absorption technique in the industrial field can be expanded. The device comprises a long optical path gas pool unit, an optical path adjusting unit, an auxiliary unit and an input and output unit, wherein the long optical path gas pool unit and the optical path adjusting unit are arranged as core components. The long optical path gas pool is fixedly and mechanically connected with the optical fiber connectors in the auxiliary unit, the optical path adjusting unit and the input and output unit so as to form an overall fixed system. The anti-vibration long optical path gas pool has the advantages of excellent vibration resistance, strong environmental adaptability, simple and convenient operation, strong universality, small detection error and the like.