优选目的:晚期肿瘤病人疼痛剧烈需杜冷丁止痛。优选方法:瞎子爬山法。优选范围:12.5mg—100mg/次优选经过:①杜冷丁100mg/次肌注立刻见效,持续八小时。②杜冷丁12.5mg/次单侧内关穴注射作用较快,持续三小时。③杜冷丁25mg/次方法同②,作用与①同,而头晕、恶心、呕吐等副反 Preferred Objectives: Patients with advanced cancer have severe pain and need to be debrided to relieve pain. Preferred method: Scorpion climbing method. The preferred range: 12.5 mg to 100 mg per second is preferred: 1 Doberman 100 mg/intramuscular injection is effective immediately for eight hours. 2Dortinine 12.5mg/time unilateral injection of Neiguan points faster, lasting three hours. 3 Dobermanine 25mg/time method with 2, the same effect as 1, while dizziness, nausea, vomiting and other adverse reactions