Abstract: In order to investigate the morphological feature of the reproductive organs of the male ostrich chicks, 6 male ostrich chicks were studied by paraffin section and the HE staining method, and compared with that of some domestic fowls The morphological feature of the reproductive organs of the male ostrich chicks were observed under the light microscope. The results of the present study were as follows:(1)There are not mediastinum testis and lobules of testis in ostrich testis. Spermatogonia cells in the convoluted seminiferous tubules arrange regularly and tight, and there is less interstitial tissue of testis in ostrich testis. (2) The ostrich epididymis is composed of rete testis, efferent duct and ductus epididymidis. (3) The tubal wall of spermatic duct is composed of mucosa, muscular layer and adventitia. (4) The penis is composed of 2 round fibrolymphcorpuscles, lymph space and micrangium together.