3DV+TPS Applied to Radiotherapy for Nasopharyngeal Carcinoma

Inclusion Criteria: 1. Consolidate other serious diseases that affect quality of life or treatment; 2. Reluctant to actively cooperate with the investigator; 3. Mergers with distant transfers; 4. Patients who have undergone head and neck surgery and radiotherapy; 5. Subjects who are affected by the disease who sign a written informed consent or follow the study procedure; or who are unwilling or unable to comply with the research requirements. 6. Those who have a history of psychotropic substance abuse who are unable to quit or have a mental disorder; 7. Participated in other clinical trials of anti-tumor drugs within 4 weeks before enrollment; 8. Pregnant or lactating women; 9. The investigator judges other conditions that may affect the clinical study and the outcome of the study. Exclusion Criteria: 1. Those who did not follow the protocol. 2. The subject is aggravated or has a serious adverse reaction. 3. The subject himself requested to withdraw from the trial. 4. The patient is lost to follow-up or died. 5. The researcher believes that there is reason to withdraw