1. Identify the types and origins of Chinese herbal medicines: Identify the types and origins of Chinese herbal medicines by means of appearance characteristics, microscopic examination and chemical composition.
2. Quality evaluation of Chinese herbal medicines: by detecting parameters such as effective components, pollutants and heavy metals, it is evaluated whether the quality of Chinese herbal medicines meets the standards.
3. Judging the authenticity of Chinese herbal medicines: judging the authenticity and purity of Chinese herbal medicines through technical means such as identification and fingerprinting.
4. Traceability and quality traceability of Chinese herbal medicines: By establishing a traceability system of production, processing and sales records of Chinese herbal medicines, the source and quality of Chinese herbal medicines can be traced, and fake and inferior Chinese herbal medicines can be prevented from entering the market.