Wei was not only a noted doctor, but also a poet, who made friends with contemporary famous scholars. Based on these scholar's writings, this author maintains that Wei's sobriquet was not "Yuhuang", but rather "Yuheng"; and his date of birth was 1719, not in 1722; He had lived a life of 54 years old, not 50. Wei was born in Guangdong, later came to Hangzhou at 12 years old. His life was full of frustrations. The article makes a textural research into his tracks, means of making a living, to his places of activities especially in Hangzhou.