The digital Chinese medicine applet includes functions such as user login, basic information of medicinal materials, identification of medicinal materials, subscription of medicinal materials, cultivation of medicinal materials, push of medicinal materials, acquisition of medicinal materials and processing of medicinal materials. 1. User login function: The first time the user enters the applet will automatically log in and generate temporary user information. The user clicks the registration button and enters the mobile phone number to become an official user. The user can use the Chinese herbal medicine traceability system after perfecting the information. The information of the user after login will be recorded in the database, and the next login will not need to be registered again through OpenID identification. 2. Basic information function of medicinal materials: The small program recommends popular Chinese herbal medicines to users to let users know about products and services. Users can view the detailed information of medicinal materials, including cultivation techniques and efficacy of relevant content. Provide subscription function, users can subscribe to the Chinese herbal medicine information of interest, access to the latest information and promotional activities. 3. Medicinal materials identification function: Users can upload pictures of medicinal materials, and the system can identify the highest matching degree of medicinal materials. Provide detailed information of medicinal materials, including name, efficacy, taste and other related characteristics. 4. Medicinal materials subscription function: The user can choose whether to subscribe to the medicine in the medicine details interface. After the subscription is successful, the system will regularly push the medicine planting information and operation guide to the growers. Provide key operation steps such as sowing, topdressing, removing buds, etc. to ensure standardized planting of Chinese herbal medicines. 5. Medicinal planting function: After subscribing to medicinal materials, users need to fill in the medicinal material planting log regularly to ensure that the system can accurately push planting information. After the medicinal material planting log is filled in, the medicinal material status changes to "planting", and the medicinal material information is regularly pushed according to the background management system configuration. After the planting is completed, the user can click the "Complete Planting" button, and the system generates a two-dimensional code for planting medicinal materials, and scanning can view the planting information. The processor can scan the QR code for the purchase of medicinal materials. 6. Medicine push function: Regularly push the latest planting information to users who have subscribed to medicinal materials to help master the planting progress and prevent diseases and insect pests, and ensure the quality of planting. 7. Medicinal materials acquisition function: Processors may consult with growers and inspect the environment in which the herbs are grown. Growers provide two-dimensional codes for medicinal materials, and processors can scan the two-dimensional codes to purchase medicinal materials. 8. Medicinal materials processing function: Users can process the acquired medicinal materials and fill in the processing information through the system. The system generates the two-dimensional code of the decoction pieces, and consumers can obtain the traceability information of the medicinal materials by scanning the two-dimensional code to ensure the quality and safety of the decoction pieces.