Materia Medica, a synonym for traditional Chinese medicine, includes plant, animal, and mineral drugs. Tang Erqun's "Practical Materia Medica User Manual" selects common and highly practical materia medica in daily life, such as whole grains, fruits and vegetables, and some common medicinal materials that are indispensable and well-known in people's daily lives. Each herb is introduced in detail with its alias, origin, properties, meridian tropism, efficacy and indications, usage and dosage, therapeutic applications, dietary contraindications, etc. For the convenience of readers, we have also made reasonable classifications based on the properties of plant medicines and their practical effects. "Practical Materia Medica User's Manual" perfectly combines knowledge and practicality in its compilation. The content is explained in simple terms and the language is easy to understand. It is suitable for people's daily health care reading and use.