A cab tilting stay easy-unlock system includes: a tilting stay portion including an upper stay rod rotatably combined with a vehicle cab  a lower stay rod rotatably combined on an axis to the upper stay rod and rotatably combined with the vehicle body  and a locking handle provided at the upper stay rod and that fixes or unfixes the upper stay rod and the lower stay rod by being combined with the lower stay rod  and a tilting handle portion connected to the tilting stay portion by a cable and operating the tilting stay portion to be in a folded state