Program description document generation method and device, electronic equipment and readable medium

The embodiment of the invention discloses a program description document generation method and device, electronic equipment and a readable medium. A specific embodiment of the method comprises the steps of obtaining a target program package according to a tree file directory corresponding to the target program package; performing program block extraction on the program file according to a programming language type corresponding to the program file to generate program block information and obtain a program block information group; for each piece of program block information, executing the following first processing steps: carrying out annotation feature extraction on program block annotation information included in the program block information; code feature extraction is carried out on program block code information included in the program block information; performing cross feature fusion on the program block annotation features and the program block code features; generating program block description inform