Based on the comparison of different types of partnership enterprises in the United States, such as: General partnership, Limited liability partnership, Limited partnership, Limited liability limited partnership, Limited liability company, the writers here illustrates how an investor choose any of them in consideration of its legal liability, taxation and management performance, etc. By introducing these diversified and flexible partnership enterprises of the western counties, the writers hope to see more of them will be adopted by the Chinese law in order to provide wider economic fields for the entrepreneurs and investors to conduct their commercial businesses in China.