The utility model provides a circulation material loading grinding screen selects device belongs to pharmaceutical production technical field. Including circulation loading attachment (7), reducing mechanism (9) and feeding device (26), reducing mechanism (9) set up in bearing (8) below, circulation loading attachment (7) are fixed to be set up in transmission shaft (6) below, feeding device (26) are fixed to be set up on three hornblocks (25), and the left end setting is in case (24) left surface is smashed in the circulation. The utility model discloses during the feed cylinder is added through the charging box with the material to the device, smashing that to change epaxial crushing blade rotatory, smashing the material, the screen net hole that through -put sieve material after smashing covers screens smashing the back material, and the large granule material that the rotation of spiral shell screwing in material pole will be gone up in the feed cylinder promotes, the design is simple, and convenient operation smashes through circulating and has realized the smart crushing of material, has reduced artifical intensity of labour, has improved production efficiency.