When the manifestation of soreness and distension occurs at the Fengchi points, it may be related to overwork, exogenous wind, liver and gallbladder fire, and other etiological factors. 1. Overwork. When Fengchi acupoints are sore and swollen, it may be related to long-term sleep deprivation and overwork, which will affect the operation of qi and blood, resulting in local meridians being paralyzed and blocked. 2. External wind. When Fengchi acupoints show soreness and distension, it may be related to external wind evil, wind evil through the meridian up inflammation, resulting in impassable qi and blood operation, can also appear this kind of uncomfortable symptoms. 3. Excessive fire in the liver and gallbladder. Fengchi point is the foot Shaoyang bile meridian points, when the Fengchi point soreness and distension of the performance, may also be related to the liver and gallbladder fire. When there is a localized soreness at the Fengchi point, it is necessary to consult a doctor in a timely manner.