In order to understand the arthropod community structure and diversity in Isatis indigotica field of Henan Province,five-point random sampling was used and the species and numbers of arthropods on plants and ground were investigated and recorded by net-trapping and visual methods. The results showed that the arthropod species were abundant. There were 2 613 arthropod individuals collected from the field belonging to two classes,ten orders,39 families and 61 species. Among them,phytophagous group and predato...