In order to meet the needs of containerizing transportation and storage modernization, external dimensions of box-type logistic equipment must be modularized. Based on "outer to inner" idea of packaging design and modularization method, external plan dimensions of box-type logistic equipment were designed in standardization and modularization, and height dimensions were given. The dimension series after design can combine as modulus or in multiple, thereby serialization, composition and modularization levels of box-type logistic equipment were highly improved.