A research by archeologists found that Kehe culture was earlier than that of Peking ape man as the Dingcun culture found in Shanxi had originated from Kehe culture.

• 最引人注目的是，动物化石中有若干呈黑色、灰色、灰绿色的肋骨、马牙和鹿角，化验证明是火烧的结果，这样人类用火的历史便被大大提前，成为目前所知中国最早的人类用火的证据。