An electronic cigarette simulation mouthpiece (10), said simulation mouthpiece (10) comprising a mouthpiece sleeve (12) and a filter tube (14), said filter tube (14) comprising a base (141) and a tube body (143) connected to said base (141), an air hole (147) being disposed at the centre of the base (141), the tube body (143) comprising a non-linear gas channel in communication with the air hole, and a barrier liquid (151) being disposed in the centre part of said non-linear gas channel. The non-linear gas channel of the tube body (143) comprises a concave hole (149) respectively disposed in the top part and the bottom part of the tube body (143) and at least one concave groove (153) disposed in the side wall of the tube body, the two ends of the at least one concave groove (153) respectively overlapping and being perforated by the two concave holes (149), and the part not in communication between the concave holes (149) and the concave groove (153) in the tube body (143) thus forming the barrier liquid (151). The present electronic cigarette simulation mouthpiece ensures the normal usage of an electronic cigarette without changing the real tactile sensation of smoking felt by a user, and will not have the defect of cigarette liquid countercurrent, thus enhancing the user experience.
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