The root of the tooth itchy difficult to consider is the emergence of periodontitis, periapical periodontitis, endodontitis and other diseases, need to treat the symptoms. 1. Periodontitis, periodontitis after the teeth around the inflammation stimulation, this symptom may occur, generally can follow the doctor’s instructions to use metronidazole, tinidazole and other anti-inflammatory drugs, while the need for periodontal treatment by the doctor, medication. 2. Periapical periodontitis, the emergence of periapical periodontitis around the root tip by the inflammatory secretion stimulation, may lead to root itching symptoms, need to actively seek medical treatment for root canal treatment. 3. Pulpitis, patients with pulpitis after the pulp cavity pressure increases may cause irritation of the root tissue, such symptoms, the need for root canal treatment or crown repair. If the recurrence of root itching difficult to recommend active medical care, usually also need to pay attention to personal oral hygiene.