至少 30 %的转移性肿瘤及 70 %的晚期肿瘤患者经受着疼痛的折磨[1] 。 1986年 ,世界卫生组织 (WHO)提出了三阶梯止痛疗法 ,1990年我国与 WHO联合在广州召开了第一届癌症疼痛姑息治疗研讨会 ,并正式将三阶梯疗法引入我国 [2 ]。三阶梯疗法的实用性和有效性得到多个研究小组的肯 At least 30% of metastatic tumors and 70% of patients with advanced tumors experience painful pain [1]. In 1986, the World Health Organization (WHO) proposed a three-step analgesic therapy. In 1990, China and WHO jointly held the first seminar on palliative treatment of cancer pain in Guangzhou, and formally introduced the three-step therapy into our country [2]. The practicality and effectiveness of three-step therapies have been well received by several research groups