The invention discloses a blind person one-hundred-meter training auxiliary device, and relates to the field of sports auxiliary articles. According to the invention, a second rotating shaft is arranged on a fixed block, a crawler wheel is arranged on the second rotating shaft, a crawler belt is arranged on the crawler wheel, a second connecting rod is arranged on the crawler belt, a rack is arranged on the second connecting rod, a prompt device is arranged on the fixed block, the rack and the prompt device are matched in position, a right-angle triangular plate is arranged on the fixed block, a connecting column is arranged at one end of the fixed block, a balancing weight is arranged on the connecting column, a connecting plate is arranged on the balancing weight, a moving block is arranged on the connecting plate, a first connecting rod is arranged on the moving block, and an arc-shaped block is arranged on the first connecting rod. The blind person can hear the prompt tone through the prompt device when the blind person reaches the finishing line, and the blind person can slow down to complete one hundred-meter sprint training, so that the blind person always keeps linear running without running out of the own runway when no person accompanies running. Meanwhile, the situation that no person accompanies running in a competition can be simulated, the psychological quality of the blind person is improved, and the progress and the training effect of sprint training of the blind person are improved.