The most common cause is local inflammatory reaction due to the attack of wind, cold and dampness after overexertion, which is mainly manifested as local tingling and swelling pain, and sometimes there may be radioactive pain, and the radiation range can be radiated along the rib cage to the back and other areas. Treatment is to pay attention to warmth, local heat treatment, such as the use of hot water bags or hot towels, can also use infrared therapy device for treatment, if necessary, can be combined with drug treatment, can be applied externally blood pain ointment, external rubbing Fotalin ointment, oral non-steroidal anti-inflammatory and analgesic drugs, such as Nimesulide dispersible tablets or Xilabao capsules.