A fan for an electronic device , the fan comprising a body , wherein an air duct , an air outlet and a flow guiding inlet that is communicated with the outside are formed in the body; and the air duct comprises an air inlet area and an air outlet area that are sequentially distributed and communicated in a length direction of the fan , the air outlet area is corresponding to the air outlet and is communicated with the air outlet , and a flow guiding member is disposed in the air outlet area ; the flow guiding member comprises a first guide plate , a second guide plate , and a sleeve , a first channel (L1) is formed between the first guide plate and an inner wall of the air duct , the first guide plate and the second guide plate are oppositely spaced apart to form a second channel (L2), and a third channel (L3) is formed between the second guide plate and the inner wall of the air duct ; the first channel (L1), the second channel (L2), and the third channel (L3) are sequentially disposed in a thickness direction of the fan ; the sleeve is disposed in the first channel (L1) and/or the third channel (L3), and the sleeve comprises a flow guiding cavity ; and one side that is of the second channel (L2) and that faces the air inlet area is isolated from the air inlet area , one side that is of the second channel (L2) and that faces away from the air inlet area forms a flow guiding outlet , and the flow guiding outlet and the air outlet face the same direction and are communicated; and in the length direction of the fan , the air inlet area , the first channel (L1), and the air outlet are sequentially communicated, and the air inlet area , the third channel (L3), and the air outlet are sequentially communicated; and in the thickness direction of the fan , the flow guiding inlet , the flow guiding cavity , and the second channel (L2) are sequentially communicated. the flow guiding member comprises a first guide plate , a second guide plate , and a sleeve , a first channel (L1) is formed between the first guide plate and an inner wall of the air duct , the first guide plate and the second guide plate are oppositely spaced apart to form a second channel (L2), and a third channel (L3) is formed between the second guide plate and the inner wall of the air duct ; the first channel (L1), the second channel (L2), and the third channel (L3) are sequentially disposed in a thickness direction of the fan ; the sleeve is disposed in the first channel (L1) and/or the third channel (L3), and the sleeve comprises a flow guiding cavity ; and one side that is of the second channel (L2) and that faces the air inlet area is isolated from the air inlet area , one side that is of the second channel (L2) and that faces away from the air inlet area forms a flow guiding outlet , and the flow guiding outlet and the air outlet face the same direction and are communicated; and in the length direction of the fan , the air inlet area , the first channel (L1), and the air outlet are sequentially communicated, and the air inlet area , the third channel (L3), and the air outlet are sequentially communicated; and in the thickness direction of the fan , the flow guiding inlet , the flow guiding cavity , and the second channel (L2) are sequentially communicated. <EOS>