The invention discloses a logistics route planning device based on cloud computing, and the device comprises a cloud detection recognition collection terminal which is disposed in a logistics node, and comprises a speed sensor, a distance sensor, and a weight sensor; an interface conversion server which is connected with the cloud detection identification acquisition terminal and is used for storing the electric signals acquired by the cloud detection identification acquisition terminal and decoding and converting the electric signals into digital signals; a cloud resource calculation module which is connected with the interface conversion server and can plan a logistics route according to the digital signal; and an application terminal which is connected with the cloud resource calculation module, is connected with the logistics carrying vehicle and can send a route instruction to the logistics carrying vehicle. The present invention also provides a logistics route planning method based on cloud computing.