Structure improvement is one of the most important motive force of the development of contemporary. It is a radical way to improve the interior structure of real estate industry so as to keep the sustainable development of this industry. In accordance with the purpose of improving the investment structure, this paper deeply examines the investment structure of Chinese real estate industry from three aspects: time - space, subject and use, which shows that the present situation is yet in the low level. And it also expounds the aims and the countermeasures of the investment structure improvement.