在临床工作中,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,日益受到重视[1]。疼痛问题在许多疾病中都有所表现,而在癌症病人身上表现得尤为突出。世界卫生组织于2000年明确提出“慢性疼痛是一类疾病”。国际疼痛研究会决定从2004年开始,将每年的10月11日 In clinical work, pain has become the fifth vital sign after 4 vital signs of body temperature, pulse, respiration and blood pressure, and has drawn increasing attention [1]. The problem of pain is manifested in many diseases, but especially in cancer patients. World Health Organization in 2000 made it clear that “chronic pain is a disease.” The International Association of Pain Research decided to start from 2004 and will be October 11 each year