For the pain in the ear after the cold is well, there are several general reasons: First, it may be due to otitis media caused by the cold, if the cold is caused by bacterial infection, the inflammation will spread to the inner ear and cause otitis media, so after the cold is well otitis media is not necessarily healed, there will be pain in the ear. Secondly, inflammation of the external ear canal caused by a cold is also clinically common, also because of bacterial infection causing diffuse inflammation of the skin of the external ear canal, which is also related to the perennial uncleanliness of the ear canal, and this symptom will intensify after a cold. Third, radioactive pain, after the cold may also induce acute tonsillitis or acute laryngitis, the pain caused by these diseases can radiate to the eye, tongue nerve, and even reflect to the ear to cause pain, is also a more typical symptom after the cold.