In this article, we will go over the correct way to use a cervical pillow, what it does, and how to choose the best pillow for you. The main purpose of a cervical pillow is to promote proper spinal alignment and alleviate or prevent neck pain, stiffness, and discomfort. By supporting the neck's natural curvature, a cervical pillow helps maintain a neutral position for the head and neck while lying down, reducing strain on the muscles and ligaments in that area.