The present invention provides an electronic cigarette and its nozzle, the electronic cigarette nozzle comprises an atomizer, a nozzle cover configured at an end of the atomizer, and further comprises a hermetic ring hermetically configured between the atomizer and the nozzle cover, the hermetic ring defines an concave chamber oriented to the atomizer, a thickness of the top wall of the concave chamber is gradually increased from a circumference to a center so that an upper surface of the top wall is a bevel, and plural through holes are circumferentially defined in the top wall. In the present invention, the hermetic ring, the concave chamber oriented to the atomizer, the top wall with a beveled upper surface and the plural through holes circumferentially defined in the bottom wall are adopted, and these technical means can eliminate the smoke oil residue, and improve users taste experience.