Optical connector and optical connection system

The utility model relates to the technical field of optical connection, and specifically discloses an optical connector and an optical connection system. The optical connector comprises an end insertion core, a front shell sleeve and a rear shell sleeve, the end insertion core is sleeved on the optical fiber main body at one end of the optical fiber cable; the front shell sleeve and the rear shell sleeve are spliced, a containing cavity is formed after the front shell sleeve and the rear shell sleeve are spliced, the extending direction of the containing cavity is the same as the length direction of the optical fiber cable, an avoiding hole is formed in the cavity bottom of the containing cavity, a stop sleeve, an elastic piece and an end insertion core are arranged in the containing cavity, and the optical fiber cable is sleeved with the elastic piece and the stop sleeve; the two ends of the elastic piece are fixedly connected to the end inserting core and the stop sleeve respectively, the elastic piece can