Song generation method and device, equipment and storage medium

The invention discloses a song generation method and device, equipment and a storage medium, and the method comprises the steps: receiving a composition request sent by a client, the composition request having lyrics and music styles, and the lyrics having a plurality of sentences; searching melody motives which belong to the music style and are matched with part of sentences; music score data matched with the lyrics are generated according to the melody motivation; generating song data which contains lyrics and conforms to the music score data; and performing sound mixing operation on the song data and the music score data to obtain song data. Parts of sentences in lyrics are configured with melody motives belonging to specified music styles, the style is controllable, melody with good quality is conveniently applied as the melody motives, music score data are generated on the basis of the melody motives, the matching degree of the music score data and the lyrics is improved, the reasonability of the music s