Abstract: Lightning risk assessment is a branch of disaster assessment, and is an important basis for scientific decision-making of lightning protection and disaster reduction. At present, the parameter describing the disaster environment is the average annual lightning ground density, which is calculated by the artificial observation of thunderstorm days. The advantages of using lightning data recorded by the ADTD system instead of computing and specific methods is introduced, as well as the special nature of the use of optimization value method for lightning location data induction lightning activity rules combined with the building.

Key words: lightning location data, lightning risk assessment, refinement