When there is a collision, the body will bump into the part of pain, then use cotton cloth wrapped ice, cold compress the collision part, this is because of the principle of heat expansion and cold contraction;

If the skin epidermis is damaged, it can also be wiped with alkaline volts or other related drugs to eliminate inflammation.

If you can't find ice at that time, wipe it with toothpaste, because toothpaste contains menthol, clove oil and other ingredients, which have anti-inflammatory, analgesic, bactericidal and detumescent effects, can reduce inflammation, hemostasis and swelling;

If more than 24 hours there are lumps and bruises, then hot compress, hot towel compress, but timely replacement, promote local blood circulation, play the role of removing blood stasis;

Rub the swollen part with cotton cloth wrapped in hot rice. Promote blood circulation and accelerate the absorption and dissipation of congestion.

If you don't have rice at home, you can boil an egg. After removing the eggshell, you can roll the eggs in the swollen part. It also promotes blood circulation and accelerates the absorption and subsidence of congestion.

Safflower oil can also be used for wiping, or other drugs to promote blood circulation and remove blood stasis.