Patients with acute pulpitis experience hot and cold pain, spontaneous pain, and nocturnal pain, which often cannot be localized and often occurs in half of the face, or even the entire head. If the patient experiences this at home at night, they can take penicillin-based broad-spectrum antimicrobials such as amoxicillin, cephalosporin, and metronidazole. If there is an emergency dental hospital near your home, you can go to the hospital and put some clove oil cotton balls or camphorated phenol cotton balls in the cavity, which can effectively relieve the pain. But the next day must go to the dental hospital for formal root canal treatment, to open the tooth, the doctor with a special instrument for root canal treatment or dissolve the pulp of the rinsing solution, thoroughly remove the infected pulp, as well as the infected dentin and toxic decomposition products, appropriate disinfection, tightly fill the root canal, the crown of the crown tightly filled up, the affected tooth will no longer have neuropathic pain.