The invention discloses an intelligent linear guide rail assembling production line, and belongs to the technical field of linear guide rails. A control system, a positioning system, a grabbing system, an assembling system and a monitoring system are included. The assembling system comprises a guide rail and a sliding block. The grabbing system comprises a multi-axis mechanical arm and a materialarea. The positioning system comprises a photoelectric locator. The monitoring system comprises a U-shaped arm and a camera. The control system comprises a sliding block controller, a grabbing controller and an image monitor. A judgment module for image comparison, a storage module for storing various semi-finished product and finished product images and a command module for sending image qualification and disqualification to the grabbing controller are arranged in the image monitor. The sliding block controller is arranged to control the assembling system to assemble products, the grabbing controller is arranged to control the multi-axis mechanical arm to grab semi-finished products, the image monitor is arranged for monitoring whether the products are qualified or not, and accordingly the purpose of rapid, efficient and high-precision product assembling is achieved.