A swallowing saliva left ear pain, consider the patient has in-ear disease, such as otitis media, tympanitis, of course, can not exclude whether the recent cold, cough, with pharyngitis and tonsillitis, because the human body pharynx, larynx, ear connected, inflammation when swallowing saliva will drive the ear pain, so patients can first take anti-inflammatory drugs at home by themselves. If one is not allergic to penicillin, symptomatic anti-infective treatment with amoxicillin is recommended. After the above control, if the pain in the left ear is relieved by swallowing saliva, it will be fine. Otherwise, it is recommended that the patient go to the ENT department for further examination to see if the tonsils are purulent and if there is any corresponding disease in the ear, so as not to miss the diagnosis and delay the disease.