HE stain was used to evaluate the healing degree of fracture according to the proportion of fibroblast, chondroblast, woven bone tissues and mature bone tissues. There were 10 grades all together.

根据HE染色光镜下所见骨痴纤维、软骨、编骨和成熟骨所比例将骨折愈合程度分为10级，通过观察实验和的骨颁以上的级别均数来评价骨折的愈合程度。

Objective:probing the function mechanism of ZhengGu TongPiDan in curing dyssymphysis,non-bacteroidal bone putrescence and chronic osteomylitis.

探讨正骨通痹丹骨不愈合、骨无菌性坏死、慢性骨髓炎的作用机理。