The pain in the jaw when swallowing saliva may be related to tonsillitis, pharyngitis, lymphadenitis and other diseases. 1. Tonsillitis: clinically, after tonsillitis due to inflammation stimulation of the tonsil area, may lead to tonsil enlargement, increased sensitivity, there may be swallowing jaw pain symptoms. 2. pharyngitis: some patients with pharyngitis throat secretion increase, throat dryness, may not be able to localize the symptoms of gagging jaw pain. 3. Lymphadenitis: Pharyngitis acute infection caused by mandibular lymphadenitis, may appear jaw pain when swallowing. Jaw pain when swallowing, such as persistent unrelieved, it is recommended that timely medical care, systematic construction, clear cause.