To explore and analyze the pain characteristics and countermeasures to improve intraoperative pain for patients with temporomandibular joint disorder during treatment of orthodontics. The patients were randomly divided into control group and the observation group. The control group received routine nursing. It is found in the study that the occurrence of pain in orthodontic treatment is accompanied by certain regular changes, and there is little difference between the proportion of masticatory

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... ain and occlusal pain. In the observation group, the total clinical effective rate increased after nursing (P<0.05. The VAS pain score of the observation group was significantly lower than that of the control group 4h and 8h after nursing intervention was implemented, and the duration of pain symptoms was significantly shorter than that of the control group, with significant statistical difference between the two groups (P<0.05). The targeted nursing intervention for patients with temporomandibular joint disorder undergoing orthodontic treatment based on their characteristics will shorten the pain time of patients effectively and improve the treatment effect, maintaining significant application value. Practical Application: The targeted nursing intervention based the characteristics of patients with temporomandibular joint disorder undergoing orthodontic treatment.