The present disclosure discloses a wireless building block type splicing fan comprises a fan body. A splicing tenon and a connector plug are disposed on one side of the fan body, and a splicing mortise and a connector socket corresponding to the splicing tenon and the connector plug each other are disposed on the other side of the fan body. A positioning buckle is disposed in the splicing mortise. According to the wireless building block type splicing fan of the present disclosure, when a plurality of fan bodies are spliced, the splicing tenon of one of the two adjacent fan bodies is inserted into the splicing mortise of the other of is the two adjacent fan bodies. After being inserted, the positioning buckle limits and secures the splicing tenon, and at the same time, the connector plug is inserted into the connector socket for electrical connection.