The steps are as follows: download the required software FFmpeg 32/64 bit, select to copy this code and modify for%% a in ("D: source video directory *. ts") do ffmpeg - i "%% a" "D: converted directory %%~na. mp4" pause to create a new txt text, copy the code in and modify it.Finally, change the suffix xxx.txt to xxx.bat.("xxx" stands for any name)