From the existing system framework of the Contract Law of our country, comparing the thinking of the relevant legislation of the service contract in German and Japanese civil legislation. It proposes that the service contracts should be classified into different categories. In the legal regulation, we set the general rules as the class contract, and set the basic contract and the specific contract type. At the same time, the development of the tree-shaped venation is obtained, and the protection of the interests of all parties under the existing legal framework of our country is analyzed and summarized.