Abstract: Efects of different cutting ways(conditioning，un-eonditioning，men cutting)on the nutritive vatue of atfatfa meal are studied in this paper．The results show that conditioning treatment incrcases the contents of CP and carotene and reduces the contents of NDF and ADF．Compared with the tin-conditioning treatment．conditioning treatment shortens the drying time，reduces the losses of leaf，breath，photosynthesis and enzyme activities，improves the quality of alfalfa mea1．The advan tage of conditioning treatment is superior to the un-conditioning treatm ent．similar tO the people cuttingtreatment．