At the Xuetangliangzi site in Mituosi village, Qingqu town, Yunyang district of Shiyan city, Hubei province, No 3 skull of Yunxian county man was discovered on May 18, 2022, 33 years after No 1 skull was found. With a complete structure, the skull presents features of homo erectus and provides more information on human beings one million years ago by employing multi-subject research methods and the latest technology.