Abstract: Biological plasticizing technology is currently the most advanced biological specimen preservation technology. Its primary principle is that replacing the moisture in biological specimens with liquid polymer compounds or multi-polymer and subsequently the tissues are plastinated by hardening treatment. The plastinated specimens are non-toxic and tasteless, and it is safe to be touched directly by hands. It is durable and its preservation is antiseptic solutions free. A batch of plastinated specimens of domestic animals and fowls are purchased by College of Animal Science and Veterinary Medicine of Heilongjiang Bayi Agricultural University, and they have already been applied in the classroom teaching. Compared with immersed specimens and models, irreplaceable advantages of the plastinated specimens are experienced by the teachers and undergraduates. Subtle anatomical structure characteristics can be exhibited by the plastinated specimens. Neither teachers nor undergraduates will be affected by the irritation and toxicity of the specimens during the process of teaching and observation. The teaching of Anatomy of the Domestic Animals and Fowls becomes more intuitive and acceptable, which is helpful for improving the teaching quality.