Garden is the ideal paradise for human beings.Diffrerent environment and view of naturecreates different ideas of garden and realistic garden styles.Chinese classical gardens pursuit thehamony between man and nature and emphasize the hamony between nature and spirit while Westernclassical gardens pursuit the order and geometrical beauty and emphasize the control of nature.Thepaper first discussed the differences between Chinese classical gardens and Western classical gardens.Then it analyzed the main reasons for the above differences.In the end,it pointed out the essencereason was the difference of natural environment.