Objective To explore the law of syndrome identification and treatment administration for amyotrophy.Mehtods Search related articles collected in China National Knowledge Internet（CNKI） from January 1979 to December 2011.The frequency of syndromes and medications in the selected literature were analyzed.Results Fifty-seven qualified articles were selected and twenty syndromes were identified.The common syndromes were liver-kidney yin deficiency

spleen qi deficiency

spleen-kidney yang deficiency and kidney yang deficiency

accounting for 53.71%.There were 12 major factors of syndrome composition.Deficiency syndrome accounted for 74.11%

including yin deficiency

qi deficiency and yang deficiency.The most common syndrome was yin-deficiency

which accounted for 25.38%.Excessive syndrome accounted for 25.89%

including damp heat

blood stasis and fire heat.Damp heat syndrome accounted for 6.60%.There were 236 medicinal belonging to 46 kinds of function classification used.The medicinal could be further combined into 19 main categories.Deficiency supplementing medicinal

blood-quickening stasis-transforming medicinal and heat clearing medicinal accounted for 62.17%.Conclusion Analysis on Chinese medicine syndromes and medication laws of amyotrophy could provide a reference for syndrome identification and treatment administration.