1 The earliest medical work in ancient China, Shennong Herbal Classic, recorded 22 kinds of insect drugs, such as honey, bees, beeswax, grubs, cicadas, white muscardine silkworm, silkworm, mole cricket and Huo Ying.
2. Compared with Shennong's Classic of Materia Medica, Tao Hongjing has added nine kinds of insecticides, such as white wax insect, silkworm, ground bee and Odonata.
Compendium of Materia Medica by Li Shizhen, a famous doctor in Ming Dynasty, is a classic of ancient medicine. Li Shizhen collected 1892 kinds of drugs in the book, 374 kinds more than the previous ones. Among them, 106 kinds are insects, which is called "Insect Department". It can be divided into oviparous type, metaplastic type and wet type, and each insect can be divided into explanation, collection, smell, indication, invention and attachment. The origin of the names of various insect drugs, various viewpoints of predecessors, medicinal properties and indications are discussed in detail. Until modern times, many insects are still good medicines for traditional Chinese medicine.