研究发现，大多数学者在研究冷链物流和物流外包服务商方面，在冷链物流中，

研究发现，大多数学者在研究冷链物流和物流外包服务商方面，在冷链物流中，主要研究装备技术水平、路径优化、发展模式等； 在物流外包服务商方面，主要是结合多种研究方法，进而优化评价方法，构建不同的物流外包服务商选择体系和模式，最终选择合适的物流外包服务商

It is found that most scholars mainly study the level of equipment technology, path optimization and development mode in cold chain logistics; In terms of logistics outsourcing service providers, it mainly combines a variety of research methods, then optimizes the evaluation methods, constructs different logistics outsourcing service provider selection systems and modes, and finally selects the appropriate logistics outsourcing service provide

It is found that most scholars are studying cold chain logistics and logistics outsourcing service providers. In cold chain logistics, they mainly study equipment technology level, path optimization, development mode, etc. In the aspect of logistics outsourcing service providers, we mainly combine various research methods, optimize evaluation methods, build different logistics outsourcing service provider selection systems and modes, and finally choose the appropriate logistics outsourcing service providers.