The treatment of pulpal calcification focuses on the elimination of clinical symptoms, which allows the patient to be more comfortable when eating, and on the other hand, it is a treatment to achieve complete healing, not simply the elimination of symptoms. In root canal treatment, calculus of the pulp and calculus in the root canal cannot be completely cleaned, and the removal of infected tissues has to be done with the aid of pulp tissue, pulp stone removal in the pulp chamber and removal of calculus in the root canal. How to remove the pulp stone in the pulp chamber and the pulp stone in the root canal, how to completely clean the pulp tissue and the infection in the root canal, and how to clean the infection on the wall, the first choice is to treat with auxiliary equipment, root canal treatment is the basic treatment, the common clinical use is the microscope, the microscope can be magnified to see the pulp stone clearly, the condition of the root canal, and the calcification situation.