疼痛是肿瘤患者常见的临床症状,尤其是中、晚期肿瘤患者常常遭受难以忍受的疼痛折磨。癌症初诊患者疼痛发生率约25%,晚期患者疼痛发生率高达70%~90%[1]。疼痛不仅会对身体的躯体方面造成严重影响,而且在精神、心理、社会关系方面产生不同程度的影响,疼痛在发生时,患者常伴紧张、不安、焦虑、沮丧、痛苦、厌食、失眠、恐惧等折磨。疼痛已成为继体温、脉搏、呼吸、血压4大生命体征之后的第5生命体征,已 Pain is a common clinical symptom in cancer patients, especially in patients with advanced tumors often suffer unbearable pain. The incidence of pain in newly diagnosed cancer patients is about 25%, and the incidence of pain in advanced patients is as high as 70% to 90% [1]. Pain not only has a serious impact on the physical aspects of the body, but also has varying degrees of psychological, psychological and social effects. When pain occurs, the patient often experiences tension, anxiety, anxiety, depression, pain, anorexia, insomnia, fear Such torture. Pain has become the 5th vital sign after 4 vital signs of body temperature, pulse, respiration and blood pressure.