Methods 60 patients with 485 times were treated using three methods of Benzathine Benzylpenicillin diluted by Lidocaine, routine saline and sterile water for injection, respectively.

• 方法通过对60例病人485人次采用利多卡因稀释、常规生理盐水及灭菌注射用水稀释分组肌注时及肌注后疼痛感的程度不同,进行效果比较。