1. Professors and associate professors: young and middle-aged outstanding talents with doctoral degree and high academic attainmentsin the field of animal husbandry or young academic talents with good development potential. It shall be managed in accordance with the relevant regulations on the introduction of university talents of Yunnan Agricultural University. 2. Postdoctoral: Doctor's degree, under 35 years old, no more than 3 years after obtaining the doctor's degree, excellent foreign doctor with high academic level and strong scientific research ability.