Abstract: Aiming at development of internet of things technology and demand of agricultural products cold chain logistics security，cold chain logistics system of agricultural products based on internet of things was constructed.Based on definition of internet of things and cold chain logistics，current development situation of cold chain logistics of agricultural products in China were analyzed，and is was concluded that imperfect infrastructure，serious chain breakdown of cold chain logistics，and lack of unified standards were main problems at present.In view of above problems，a set of cold chain logistics transportation and distribution system for the whole process of agricultural products was constructed，and safeguard measures to ensure operation of the system were put forward.