Zhongtian Microbiome Database: At present, more than 100,000 samples are included in amplicon data (16S, 18S, ITS), which are derived from international mainstream databases (NCBl, Qiita, EMBL, etc.) and a large number of manual cleaning and aggregation. Reflect the complete sample information, including: sequencing platform, fragment selection, sampling points, disease types, literature, etc., and fully support online data integration and analysis services.