A method, client, and terminal device for screen recording are provided, and the method includes: enabling a screen recording data synthesizing module (401) when a screen recording instruction is received (101); inputting an encoded audio data of a player into the screen recording data synthesizing module (401) for superposition, to obtain a merged audio data (102); and inputting a video data of the player into the screen recording data synthesizing module (401), and merging the video data with the merged audio data, to obtain a screen recording data (103). In the present disclosure, all the audio and video data in a live broadcasting scenario can be completely recorded to ensure the integrity of the live broadcasting scenario.