Called E-commerce, is the commercial trade happened between the enterprises, the customer and the enterprise, and the customers in the information network. In the nature, the electronic commerce is a trade activity of goods which is the same with the traditional trade; in the operation process, the E-commerce is similar to the traditional trade, however, the Ecommerce is established with utilization of the advanced media methods. The demands of the Internet users towards the electronic commerce services have been upgraded sharply with the rapid development and strengthening of the whole Internet, and many providers and institutions which maintain great backgrounds in the Internet industry have all utilized their respective fixed advantages to enter the C2C electronic commerce market with massive scales. However, Taobao has made great successes in this market with fierce competitions, wherein the Multibusiness model of Taobao and the preventive solutions to the imperfections of it could be believed to be the key to its success.