Objective To study the effect of Chinese drug Jie Gu Zi Jin Dan (JGZJD) on the contents of metal elements in callus in the process of fracture healing Methods Artificial fracture with 3mm bony defect was made on left radius of 72 rabbits The animals were divided into the experimental group treated with JGZJD and the blank control group The contents of Zn, Cu, Mn and Mg in calluses were detected with atomic absorption spectrophotometry at 7th, 14th, 21st, 28th, 35th and 42nd day after surgery Results The contents of Zn, Cu, Mn and Mg in calluses of experimental group were higher than those in t...