A method, system and a non-transitory computer storage medium for obtaining a dynamic update in instant messaging software. The method includes obtaining update manner modification parameters and real-time user interaction data; generating a corresponding update manner according to the update manner modification parameters and the real-time user interaction data; and obtaining corresponding updated information according to the update manner. With the above-mentioned steps, according to the habit of a user, the update manner of the dynamic modification allows the updated information to be obtained in a timely manner and reduce the pressure on bandwidth. It results in a balance between the bandwidth cost and the timeliness, which greatly saves the network bandwidth and improves the experience of user.