Video polyphonic ringtone setting method and device, equipment and storage medium

The embodiment of the invention discloses a video polyphonic ringtone setting method and device, equipment and a storage medium, and the method comprises the steps: responding to a received purchase request of a first user for a digital collection, and calling a first intelligent contract interface to achieve the right and interest transfer of the digital collection and a corresponding digital twin; wherein the digital collections and the corresponding digital twin products are obtained by casting and issuing source files of the digital collections based on IP copyright; in response to the received secondary creation operation of the second user on the digital twin, obtaining an NFT video polyphonic ringtone; wherein the digital twin product is authorized by the first user; and displaying the NFT video polyphonic ringtone for a third user to order and set. Therefore, the digital collections can be displayed in a video polyphonic ringtone mode, and a Tibetan purchasing the digital collections can form issuing