It is the special purpose machine which is for deducting the power carried by the tablets pressed from various tablet presses, and for driving out the tablets' rough side, which is one of the main corollary machines for fully automatic high speed tablet press. Also, fitting all types of tablet presses easily, further more, for screening-used machine before the tablet packing in large quantity. In view of design conception, this machine integrates main advantages of the same types of machines home and abroad, which consist of automatic tablet & powder's separating, continuously speed adjusting, performance, convenient adjustment and maintenance, high productivity and low noise, etc. Further, it widely applies for pharmacy, food and chemical, etc.