Pain is a common clinical symptom, it is the receptive response of body that is suffering from the pain, but also the fifth vital signs of life following the body temperature, pulse, respiratory and blood pressure. Cancer pain can trigger a strong stress response, which seriously affects the quality of life, and it is attached importance to ease the pain of cancer patients.They were introduced in this paper of cancer pain assessment principles, standards, methods and cancer pain treatment.The development of cancer pain management was reviewed, and some prospects for the...
