Abstract: At present, quality of Panax quinquefolius L. is not controllable, leading to a large difference in product quality, causing market disorder of Panax quinquefolius L., seriously threatening stability of Panax quinquefolius L. quality and safety of clinical medication, and also wasting a lot of planting resources and medicinal materials． Collection and processing environment, processing process, quality inspection and grade classification, packaging and storage technology of Panax quinquefolius L. in Weihai area were standardized． This specification is applicable to primary processing and production of Panax quinquefolius L. in original place, in order to obtain higher quality Panax quinquefolius L., standardize collection and primary processing operation of Panax quinquefolius L., guarantee quality safety, effectiveness, stability and reliability of Panax quinquefolium L.．