Methods LD50 tests of Luofendeine and its component,heat-board text and body-twisting test of mice were pertormed to learn its analgesic anf antiinflammatory actions.

• 方法采用小鼠扭体法、热板法、二甲苯所致小鼠耳廓肿胀法等毒理和药效试验，观察洛芬待因及其各组分的镇痛作用，用金氏法分析药物相互作用性质。