This article approaches to the origin of the silkworm and silk-knit industry in China.From some traditions on historical records, and some archaeological finds, it is proved that the original place of the silkworm and silk-knit in dustry was not only one, but multicentres and multiorigins.Original places were mainly distributed in the regions along the lower reaches of the Changjiang River and the middle and lowerr eaches of the Huanghe Rive.They originated from the Huangdi age in the Neolithic age about 5000 years B.P..By analysing the geographical conditions in the lower reaches of the Changjiang River and the middle and lower reaches of the Huanghe River, it is not accidental that the silkworm and silk-knit industry originated there.