癌性疼痛是恶性肿瘤常见症状之一,在对肿瘤治疗进行综合疗效评价的今天,控制癌性疼痛越来越受到医学界的高度重视。目前现代医学治疗癌痛主要用WHO推荐的“三阶梯”止痛疗法,但长期使用镇痛剂副作用大,成瘾依赖性强,并受患者耐受性的限制,致使部分病人止痛效果欠佳。因此临床上 Cancerous pain is one of the common symptoms of malignant tumors. In the comprehensive evaluation of cancer therapy, the control of cancerous pain has been paid more and more attention by the medical community. At present, the modern medical treatment of cancer pain mainly uses the “three steps” analgesic therapy recommended by WHO. However, long-term use of analgesics has large side effects, strong dependence on dependence, and is limited by patient tolerance, resulting in poor pain relief in some patients. Therefore clinically