This is a survey of person's opinions to keep animals in zoo. It has investigated a part of persons. Different persons have different opinions. The result shows that 20respondents regarded that it is better to keep animals in zoo, because that the animals will be looked after by the keepers well.On the contrary, there are 30 respondents considered that keeping animals in the zoo is unavailable. The reason of it is that animals should have a freedom living environment. To my perspectives, animals should be in the nature. They are belong to the nature, not the zoo.