Traditional animal resources protection measures are mainly to delimit protected areas or establish the basis for species conservation. These measures can well protect species diversity, but there are also some disadvantages: the protected area is large, and poaching is prohibited repeatedly; The establishment of improved seed base to protect local varieties has large investment and long time, and is prone to inbreeding and species decline. The advent of new biotechnology achievements such as test tube, cloning and cryopreservation has opened up a new way for the protection and utilization of animal genetic resources, and the construction of animal Noah's Ark is no longer a fantasy.
 The progress of biotechnology opens up new fields for the protection of animal resources is mainly introduced in the passage.