Abstract: The butterfly is affected by various anthropogenic and natural factors. These factors directly or indirectly threatened the normal growth process of butterfly, for example breeding, growth, eclosion, mating. They result in adverse effects on the butterfly population development. The main threat factors of butterfly include environmental pollution, habitat destruction, pesticide spraying, artificial capture, these threats factors not only to reduce the butterfly population, may cause some butterfly species extinction. The secondary factors of butterfly include host plant destruction, grazing, tourism development, urbanization, climate warming, low temperature, the butterfly own factors. These factors also lead to lead to reduce the numbers of butterfly are restrict factors of butterfly normal survival.