The invention provides a live stream video quality evaluation method, a storage medium and a terminal, and is applied to the technical field of the Internet. The method comprises the steps: carrying out the grouping of each live stream application program; obtaining the live stream video of each live stream application program of each group; carrying out the synthesis of each live stream video ofeach group, and obtaining a synthesized video of all live stream videos, displayed at the same time, of each group; providing the synthesized video for the user, so as to enable the user to watch thesynthesized video of each group and evaluate the quality of all live stream videos displayed at the same time. According to the embodiment of the invention, the method effectively guarantees the reliability of an evaluation result of the quality of the live stream video.