Buckle type CPU (Central Processing Unit) cooling fan

The utility model belongs to the technical field of CPU cooling fans, and particularly relates to a buckle type CPU cooling fan which comprises a heat conduction piece and an air cooling assembly. The heat conduction piece is detachably clamped on a computer mainboard and is used for absorbing heat on a CPU (Central Processing Unit); a pair of oppositely arranged second heat-conducting plates are fixedly arranged at the top end of the heat-conducting piece, at least one second elastic buckle is arranged at the top of each second heat-conducting plate, and the two second heat-conducting plates are located at the front end and the rear end of the heat-conducting piece respectively; a plurality of first heat conducting plates are further fixedly arranged at the top end of the heat conducting piece, are arranged at intervals in a preset direction and are located between the two second heat conducting plates; the air cooling assembly comprises a fan and a connecting base; the fan is fixedly arranged on the connect