An adjustable heel stabilization device comprised of first and second side plates, a union plate, a first connector plate for attaching said first side plate with the union plate and a corresponding second connector plate for connecting said second side plate with the union plate, wherein said first and second side plates are repositionable relative to the union plate and vice versa. The adjustable heel stabilization device of the present invention allows an individual to apply pressure to both sides of the heel and compress the skin and tissue along the bottom of the heel together, thereby creating a cushioning effect when the individual is walking, standing or sitting. The adjustable heel stabilization device is adjustable to accommodate various shapes and sizes of footwear, and helps to reduce swelling in the foot and provide relief for heel pain, heel spurs, plantar fasciitis and arch pain.