The early embryonic development of Feirana taihangnicus was studied.The whole process,from fertilization to spiracle formation,took 470.18 hours under water temperature of 11-18℃ and the process was divided into 25 stages according to the embryonic morphological,physiological and behavioral characteristics.Cleavage began from the top of animal hemisphere,and the cleavege furrows of vegetal pole were observed at early stage of blastula.The hatching occurred mainly at the stage of opercular fold closure on the right side.The time of hatching was late.The newly hatched tadpoles can self-feeding.Hidden spawning environment,special attachment of egg masses,big egg diameter and large amount of yolk in the eggs indicated the ecological adaptations to long course of early development under the low water temperature in F.taihangnicus.