Abstract: OWC charts are completely customizable and can have detailed charting and also have a professional look. This paper shows how to implement OWC in ASP in order to demonstrate charts of the avifauna. Firstly, it creates relational data and transforms it into the hierarchical data structure so as to obtain user’s requirement tables by using SQL in Visual FoxPro. Secondly, it transforms the tables into MS SQL Server. Thirdly, it makes the tables turn to GIF charts. Finally, OWC charts appear on Web. It also offers the correlation program and analyses some advantages for the charts of avifauna.