Abstract: The authors studied the interaction between varieties and the environment in regional test of summer sowing peanut in Henan Province, and scientifically evaluated the testing varieties and pilots to provide theoretical basis for variety certification and pilot selection. The GGE-biplot software, which could visually analyze the two-dimensional data in crop, was used to evaluate the stability of high yield, the interaction relationship of varieties and environment and the representation of pilots. The results showed that the ideal summer sowing peanut variety in Henan in 2015 was ‘Yuhua 55’, and Industrial Crop Institute of Henan Academy of Agricultural Science, Puyang Academy of Agricultural Science and Luoyang Academy of Agriculture and Forestry were pilots which could effectively select high and stable yield varieties.