Transaction cost can be partly attributed to people's ignorance or lack of information, that is, prior transaction cost; Another factor is people's maximization behavior. Under this maximization behavior, there are unfavorable supervision or implementation due to information asymmetry, as well as unfavorable business conversion negotiations during the period, that is, after-the-fact transaction costs. In this case, the transaction cost will be high. If the transaction cost is too high, it will lead to the stagnation or even collapse of economic development. For enterprises, it will increase their operating costs. Third-party logistics enterprises face higher transaction costs in their operations, which often leads to operational difficulties for small and medium-sized logistics enterprises. (A) Analysis of transaction costs of enterprise logistics Analysis of transaction costs that enterprises need to pay when outsourcing all logistics activities to third-party logistics. This part of transaction costs can be mainly summarized into two aspects, normal transaction costs and distorted transaction costs. Normal transaction cost is the cost paid to establish and realize the fair exchange of goods or services. This transaction cost is an indispensable cost in the field of logistics and plays a positive role in the circulation of goods. It is also the price that the logistics field must pay to coordinate social production activities and resource allocation through transactions. It has realized the timely transportation, packaging, distribution, processing and distribution of commodities, and improved the turnover rate of social commodities.