Toothache may be caused by dental caries, pulpitis, apical inflammation, periodontitis, etc.; earache may be caused by pulpitis, otitis media, viral infection, etc. It is recommended to go to the hospital for timely examination and treatment. 1. Teeth with caries to the dentin layer can have pain; pulpitis may have spontaneous pain, radiating pain; apical inflammation may have occlusal pain; periodontitis with swelling and pain and other discomforts. 2. Ear pain may be caused by the attack of acute pulpitis which affects the trigeminal nerve; it may be caused by otitis media due to inadvertent ingress of water into the ear or bacterial infection; and it may be caused by herpes in the ear due to viral infection. Large cerumen in the ear may also cause pain and discomfort. It is recommended to consult a doctor in time for examination and treatment.