To provide a handling database system capable of saving labor for a design job.

This system has handling information 10 which is computer readable information concerning any one of building materials, materials, parts, products and services of enterprises, simultaneously registered by plurality of enterprises (makers 2) for the units of industries, and the relevant handling information 10 has a characteristic constitution having law information 11 showing the provisions and regulations of a law having any one of building materials, materials, parts, products and services as an application target.