Music recommendation method, recommendation system, intelligent cabin and vehicle

The invention discloses a music recommendation method and system, an intelligent cabin and a vehicle. The method comprises the following steps: generating a user feature matrix on an offline layer based on a user portrait and an interaction log of a user and a vehicle machine; an article feature matrix is generated on the off-line layer based on the dimension features of the articles, data processing is carried out in combination with different algorithms and time granularities, and a vehicle-mounted music recommendation list is generated; and generating an emotion matrix on an online layer, and performing music recommendation on the online layer according to the user feature matrix, the article feature matrix and the emotion matrix in combination with the vehicle-mounted music recommendation list. According to the method, a knowledge graph is considered to obtain an embedded special diagnosis rich article matrix of entities and relationships in an offline layer, image and voice recognition is used in an onli