Abstract: The mature egg of Schizopygopsis younghusbandi was golden yellow, orbicular, sinking. The fertilized egg water fully expanded diameter of the eggs was（3.33±0.24） mm. The embryonic development of Schizopygopsis younghusbandi lasted 235 hours, depending on the embryonic development of the external form and typical characteristics,will be divided into fertilized eggs,blastoderm stage,cleavage stage,blastula,gastrula, neurula stage,organ formation period and incubation consists of eightstages. A full-length film larvae （10.55±0.35） mm.

Key words: Schizopygopsis younghusbandi, embryonic development, the Yarlung Zangbo river