Neck bruises cold and hot compresses are needed, if the body appears bruised is due to external factors, resulting in the rupture of capillaries under the tissue, bleeding in the local accumulation of the formation. In the body after the impact of external forces, should be timely use of ice packs or wrapped ice towels iced the injury, ice time is not more than 1 hour, can achieve the effect of promoting capillary contraction, reduce local bleeding. 24 hours after the capillaries have recovered and no longer bleed, the bruise area is no longer expanding, this time you can use the temperature of the hot towel, the bruise for hot compresses, each time the hot compress time should not exceed 15 minutes. The time of each hot compress should not be more than 15 minutes. Hot compresses can accelerate local blood circulation and metabolism, promote the rapid absorption of bruises, accelerate the dissipation of the bruised area, but also to relieve local pain.