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选用本地山羊３０只，随机分为实验组与对照组，每组各１５只。每只羊均于同侧股骨中段及胚骨中段造成横形骨折，股骨行梅花针内固定，胫骨行斯氏针内固定。实验组口服左旋多巴片。术后２、４、６、８、１２周分别行Ｘ线检查，肉眼观察，组织学检查，扫描电镜检查和血液化学检查。结果表明实验组骨痂形成早，生长快，骨折愈合明显优于对照组。在实验研究的基础上，１９８９年１０月～１９９２年１２月，采用左旋多巴治疗骨折２１０例，疗效满意。
30 domestic goats were selected and randomly divided into experimental group and control group with 15 in each group. Each sheep was in the ipsilateral femur mid-section and the middle of the embryo caused by transverse fractures, femur plum blossom pin fixation, tibial sphincter fixation. Experimental group oral levodopa tablets. At 2, 4, 6, 8 and 12 weeks after operation, X-ray examination, macroscopic observation, histological examination, scanning electron microscopy and blood chemistry examination were performed respectively. The results showed that the experimental group callus formation early, fast growth, fracture healing was significantly better than the control group. On the basis of experimental study, from October 1989 to December 1992, 210 cases of fracture were treated with levodopa, and the curative effect was satisfactory.