There are many causes of unilateral chest pain, and there will be many ways to deal with it, the specific measures are as follows: 1, the chest was hit by extrusion caused by chest pain, if there is no wound can spray Yunnan Baiyao, and then paste the pain cream, if there is a wound need to stop bleeding, anti-infection treatment, the wound is too large need to be stitched. 2, rib fracture, if the car accident led to rib fracture need to be fixed by surgery reset, more rest after surgery, do not do heavy work. If the wound is large, it needs to be stitched. 2.