氨酚待因２号片系口服复方镇痛药。每片含磷酸可待因１５ｍｇ和扑热息痛３００ｍｇ。为验证其对中度神经痛的镇痛效果，本文自１９９２年１０月至１２月对３０例患有颈肩臂痛、腰骶神经痛及三叉神经痛的病人，采用随机双盲对照法进行了临床试验。结果表明氨酚待因２号片对神经痛的镇痛效果明显。总有效率达６０％。 Paracetamol tablets on the 2nd due to oral compound analgesics. Each tablet contains codeine phosphate 15mg and paracetamol 300mg. To verify its analgesic effect on moderate neuralgia, this paper from October 1992 to December 30 cases of patients with neck and shoulder and arm pain, lumbosacral neuralgia and trigeminal neuralgia were randomized double-blind control method Clinical trials. The results show that paracetamol 2 tablets for analgesic effect of neuralgia obvious. The total effective rate of 60%.