Disclosed herein is a support between spinous processes and method for fixing the same when a surgery on a backbone is unavoidable due to spinal stenosis or other lumbar lesions, wherein the support 100 between spinous processes of the present invention is comprised of a main body 110 made of a butterfly-shaped support part 111 with rings at both sides thereof and receiving parts 112 formed between the both wings two rings 120 formed at one side of the main body 110 and two straps 130 whose one ends are attached to the other side of the main body 110 and the other ends are attached to two half-moon-shaped needles 140.
