Samples of Leptomedusae were collected from the Taiwan Strait at 20.849°-27.056°N，114.920°-121.241°E, during January and April, 2007. Two new species of Leptomedusae, Aequorea atrikeelis sp. nov. and Lovenella sinousa sp. nov. are described in the present paper based on the type specimens from the Taiwan Strait. The specific diagnosis of the two new species are as follows:Aequorea atrikeelis sp. nov. (Fig.1) , Umbrella flat, slightly convex; stomach usually half as wide as umbrella; mouth with 23 lips, simple, lamellar, about less 2 times than radial canals; with 47 radial canals; gonads linear along whole length of radial canals; with 14 marginal tentacles, base bulbs broad and conical, with an abaxial keel, its abaxial swelling covering black pigmented patch; usually with 3 (2-4) rudimentary marginal warts between successive tentacles; all base bulbs and marginal warts with an excretory papillae on the abaxial bulbs; with 1 statocyst between successive radial canals. Lovenella sinousa sp. nov. (Fig.2), Umbrella flatter than hemispherical; with 4 gonads linear, longitudinally divided, with irregular sinuate folds on either side of each gonad, running from the nearly base manubrium to the vicinity of the ring canal; 4 perradial marginal tentacles with a large basal bulbs, bulge and prominence in abaxial part, with black pigmented patch along abaxial bulbs, each flanked by 8-10 pairs of lateral cirri; usually with 6-7 rudimentary marginal warts and 7-8 statocysts between successive tentacles; all marginal warts without lateral cirri, but with a distinct black pigmented spot on the extreme tip; each statocyst with 2-3 concretions.