The purpose of this study is to propose an optimal combination of filters used in rainwater treatment facilities and to quantitatively evaluate the performance of hybrid rainwater treatment systems for the activation of rainwater utilization facilities and the improvement of water quality of reusable water for each use. In this study, we have experimentally investigated the performance of Hybrid Waste Treatment System of Fusion Composite which combines the advantages of HAP (Hydroxyapatite below HAP), ocher soil, and activated carbon filter for higher quality water quality. In order to obtain good quality water, a filter composed of activated carbon, ocher soil and HAP was produced inside the PE pipe, and a water quality test was carried out. As a result, Total colony was removed and the turbidity was 0.12, which satisfied the drinking water standard. Ammonia, dichloromethane, pH, chlorine ion, manganese, and sulfate ion were slightly increased or detected during the passage through the filter, but all satisfied the drinking water quality. By using the hybrid rainwater treatment system proposed in this study, it will be possible to expand the application range of rain water by providing high quality water, The replacement of the filter is easy, which will help maintenance of the facility.