A remote diagnosis system is introduced herein, which is applied to atleast one spa bathing equipment. The remote diagnosis system comprises aspa bathing system and a remote operating platform. The spa bathing systemcomprises a plurality of devices for actuating relatively to the spa bathingequipment, and a spa bathing control unit having a control unit forcontrollingactuations of the plurality of devices, which is used to correspondinglygenerate at least one partial-region information according to at least onepartial-region status generated by the spa bathing system, and to actively orpassively transmit the at least one partial-region information toward outsidethespa bathing system.