Abstract: The present invention provides a pressure adjustable pillow, comprising a chamber made of an impermeable material and a cover member. The chamber is defined by a first direction, wherein the internal portion contains fluids. The chamber has three areas, and each area being not connected. Each area contains three sealed sacs along the first direction. Each sac is not linked and is provided according to a general shape of a head. Each sac has a valve. The cover member encloses the chamber. A user is allowed to adjust the amount the fluid in each sac, so as to adjust the pressure received by user's head to designated strength when the user sleeps on the user's side or in face-up position.