1Hot compress therapy can dilate local capillaries, accelerate blood circulation, relieve pain and eliminate fatigue. 2Cold compress therapy can constrict local capillaries, play a role in heat dissipation, cooling, pain relief and preventing swelling. 3With soft plush inside, it can be used easily without towel or cloth wrapping. And it helps to gradually adapt to the irritation of ice or hot compress. 4Small, soft and light, it can be used as a pillow when resting to relieve neck fatigue. 5Relieve the joint problems of the shoulder and neck during a day's fatigue, and apply it on the feet and legs to relieve muscle soreness.