Effects of different cutting ways (conditioning, un conditioning, men cutting) on the nutritive value of alfalfa meal are studied in this paper. The results show that conditioning treatment increases the contents of CP and carotene and reduces the contents of NDF and ADF. Compared with the un conditioning treatment, conditioning treatment shortens the drying time, reduces the losses of leaf, breath, photosynthesis and enzyme activities, improves the quality of alfalfa meal. The advantage of conditioning t...