The series single-stage fine crusher is developed based on the single-stage (counter-attack) hammer crusher to crush raw materials for industry such as limestone, gypsum, raw coal and so on and further to simplify the work flow of smashing. The product granularity is small (80% <5mm) in comparison with the ordinary single stage hammer crusher. The equipment investment is lower about 35~50% than that of the same scale traditional process. The charge of long-term movement is lower about 30% than that of the same scale traditional process equipment system. It has widely applied in cement, sand and stone material, electric power professions and so on.