1. Spiral peppers with different spicy degrees are hotter than linear peppers. Snail pepper is a kind of hybrid wrinkled green pepper, which is curved, a bit like snail, but it tastes more spicy than green pepper, because it is spicy and delicious, and is deeply loved by Hunan people. Pickled snail pepper is better than pickled string pepper.

2. Snail peppers from different producing areas have the characteristics of low temperature tolerance, disease resistance, short internodes, dense fruit setting, dark green fruit and higher yield than similar varieties, which are suitable for planting in Shandong, five northwestern provinces and Hainan, while the producing areas of line peppers are mostly distributed in the northwest.