An information transmission method, system and apparatus are provided. The method comprises: in response to reception of a data request sent by a client, parsing content of the data request to obtain identification information corresponding to the data request; in response to the identification information being null, obtaining a first data set corresponding to the data request; dividing all pieces of data in the first data set on the basis of data resources of the pieces of data and data time lengths of the pieces of data to obtain a second data set corresponding to the first data set, the division indicating performing division of data request order on all the pieces of data in the first data set on the basis of the data time lengths; and sending the second data set to the client.