Abstract: A device for producing a silicone rubber cupping appliance is provided. The device includes a nozzle, an internal mould core, a separable slide comprising at least two separable slide blocks; and a blowing-demoulding unit. A mould cavity used for moulding the silicone rubber cupping appliance is formed between the slide and the internal mould core. One end of the nozzle is connected to a channel that transports liquid silicone rubber material, and another end of the nozzle is connected to the mould cavity. The blowing-demoulding unit is connected to the mould cavity through a blow duct opening which is set at a contact surface of the internal mould core and the mould cavity.