Method and system for realizing video explanation on corresponding item of decoder

The invention discloses a method and a system for realizing video explanation on corresponding items of a decoder, and relates to the technical field of automobile maintenance. The method comprises the following steps: inputting decoder entry information; classifying the decoder entry information to obtain a plurality of pieces of category entry information; importing the item information of each category into a preset content matching model to obtain expanded content of the corresponding item; associating the item information of each category with the corresponding expansion content to generate corresponding item association information; and generating video explanation data of the corresponding items according to the associated information of the items, and performing video explanation according to the video explanation data. According to the invention, video explanation can be carried out for a target fault problem, difficult faults are effectively solved, and a user is helped to quickly master maintenance