The invention discloses a Chinese medicine decoction piece quality management system based on internet of things technology. In Chinese medicine decoction piece manufacturing flow and child processes of each link, the Chinese medicine decoction piece manufacturing flow comprises a planting link, a storage and production link and a packaging link, products in the upper links/the child processes act on raw materials in the next links/the child processes, the products in the same batch serve as raw materials in more than one batch, and the raw materials in the same batch are only derived from the products in one batch. Each child process includes the steps: acquiring and storing planting management information, storage and production information and packaging information; scanning the information by the aid of mobile terminals. The Chinese medicine decoction piece quality management system solves the problems that traditional Chinese herbal medicine planting production management is behindhand, labor management consumption is high, raw medicine quality of Chinese herbal medicines cannot be ensured and the like.