The invention discloses a logistics information interaction method and a logistics information system. The logistics information interaction method includes: a deliver end sends electronic signature information and logistics codes including image information of the electronic signature information to a service platform; a transfer end checks electronic signature information of logistics goods and the image information including the electronic signature information, updates positional information in electronic signatures and uploads the positional information to the service platform; and a receiving end continues to check the electronic signature information of the logistics goods and the image information including the electronic signature information, updates positional information in the electronic signatures and uploads the positional information to the service platform. By adopting the logistics information interaction method, the logistics information system is capable of guaranteeing timely and accurate transportation of the logistics goods, achieving real-time whole-process monitoring, greatly improving working efficiency and saving operational cost, and is convenient for query and high in safety.