Objective:To understand the pain knowledge, belief and behavior level of cancer pain patients, analyze the influencing factors.Methods:A total of 176 patients with a convenient sampling method selection on November 20, 2021 in Ningxia medical institutions that have created cancer pain in the treatment of cancer pain in Ningxia as the research object of cancer pain in medical institutions, and use the "Cancer Pain Pain Incarring Credit Council Cancer Question Question" that is designed and examined by self-examination.Results:The pain knowledge dimension score of cancer pain patients in Ningxia was 5.00 (4.00, 6.00), the belief dimension score was 3.00 (-3.00, 10.00), and the behavior dimension score was 26.00 (24.00, 28.00). The results of multiple linear regression showed that financial burden and burst pain were the factors affecting the pain belief and perception of cancer pain patients ( t=-2.96, -3.00, both P<0.05). The type of medical insurance and the duration of pain were the factors affecting the behavior of pain ( t=-2.49, 3.21, both P<0.05). Conclusions:Cancer pain patients have a low level of pain knowledge, an upper-middle level of negative pain beliefs and perceptions, and a moderate level of pain behavior. It is recommended that nursing personnel use the discharge plan service as the main line to build a full-process management model of cancer pain. During the hospitalization period, pay attention to the outbreak of pain and psychological conditions, and gradually improve the quality of health education through nursing quality evaluation. After discharge, pay attention to the practicality and long-term development of continuity health education, and promote the full management of patients with cancer pain.