Scope of application:Auxiliary reducing fever: in case of fever, after the diagnosis and treatment of medication, ice packs can be used to help reduce fever, which is stable and safe. Analgesic detumescence: after a fall injury, apply an ice pack to accelerate the healing. Relieve toothache and nosebleed: you can apply an ice pack to relieve the pain and stop the bleeding temporarily, then go to the hospital for treatment. Physiotherapy care: neuralgia, eye jumping, skin itching, insect bites, redness and swelling, mild scalds and burns. Ice pack is helpful to relieve symptoms.