As resources acquire great wealthy,we should establish a whole, long-term concept ofresources. When importing a lot of exotic species,we should not forget to conserve local breed resources. As the commercial economy develops,we should not only pay attention to the benefits in sight,but also the reproduceable potential value of the poor characters of some present local species. Sperm gene stock is the most convenient and effective method in terms of conserving the breed recourses of animal and poultry. In addition ovum and embryo stocks are also promising.