Pain on the left side of the chest when moving is mostly due to a sprain or strain of the left chest muscles. It is recommended that patients should pay attention to rest and avoid moving the muscles of the left side of the chest again, which can effectively relieve this painful situation. Then you can usually carry out local massage as well as hot compresses, which can also effectively relieve the left side of the chest muscle pain symptoms. It may also be caused by a kind of fasciitis in the left side of the chest, this fasciitis is the formation of local aseptic inflammation, due to the left side of the chest activities lead to contraction of the chest muscles, then due to mutual friction, can cause the aggravation of local inflammation, appear to aggravate the phenomenon of local pain. The actual pain can be effectively relieved by applying local heat and topical anti-inflammatory and pain relieving creams, such as Yunnan Baiyao cream or compound Nanxing pain relieving cream.