The utility model discloses a cold and hot mixed fairing of wind of coal pulverizer import, including cold wind channel, cold bellows, wind channel of heat, four and above air inlet groove and cowlingpanel, wind channel of heat is orthogonal with cold wind channel, cold wind channel is connected to cold bellows to be in wind channel both sides of heat, and enclose into the enclosed construction with hot wind channel, four and above air inlet groove are offered to wind channel both sides of heat, both sides air inlet groove is crisscross seting up in pairs, the cowling panel is an open -endedcavity, connects in air inlet groove department, and evenly sets up a plurality of ventilation holes. The utility model discloses beneficial effect: utilizing rectification strip -shaped cloth wind hole to realize that the multiple spot of cold and hot wind mixes, having strengthened the mix of cold and hot wind, utilize the board that flow equalizes to carry out the rectification to the vortex that hot main air intake was adjusted and a cold and hot wind mix leads to the fact, flow field, temperature field after realizing mixing are more even, help the accurate measurement of the real freshlyground coal machine import amount of wind and grind the accurate control of back temperature.