Activating blood stasis is usually better with hot compresses, but it depends on the patient’s specific situation. If the patient is injured by a fall or sprain, and needs local swelling and blood circulation, within 24-48 hours after the injury, it is best to use cold compresses, because the wound has just formed, cold objects can make the blood vessels and muscles contract, which can reduce the swelling and bleeding, and hot compresses at this time will aggravate the disease. If the patient has been traumatized for more than 48 hours, you can use hot towels or infrared for heat therapy, at this time the purpose is to promote local blood circulation, blood circulation is smooth, the natural effect is obvious. Hot compresses can also promote the absorption of inflammation, if the middle-aged and elderly people have poor blood flow caused by blood stasis, can be relieved by hot compresses, usually home can always be prepared Panax ginseng powder, salvia tablets and other drugs, all have the effect of blood circulation and blood stasis, usually also need to maintain sufficient exercise, exercise can also be beneficial to the operation of blood.