The invention relates to the field of artificial intelligence, and discloses a national music generation method and device, equipment and a storage medium. Multi-national style meditation music for meditation relaxation is generated, the method comprises the following steps: obtaining national music generation parameters input by a user, wherein the national music generation parameters comprise scene parameters, style parameters and time parameters; according to the scene parameters and the style parameters, determining musical instrument types, music score materials and a music material generation model, screening N pieces of music score data from the music score materials, inputting the N pieces of music score data into the music material generation model, and generating N pieces of music materials, wherein N is a natural number not less than 1; according to the musical instrument type, selecting a corresponding rendering rule from a preset rendering rule library, and performing tone rendering on the music material based on the rendering rule to obtain a finished product material; and performing audio processing on the finished product material, generating a music file and outputting the music file. In addition, the invention also relates to a block chain technology, and music score materials can be stored in a block chain.