Plant-source insect and fungus killing agent with fertilizer efficiency

The invention discloses a plant-source insect and fungus killing agent with fertilizer efficiency. The plant-source insect and fungus killing agent is prepared from the following active ingredients in parts by weight: 20-40 parts of sodium humate, 0.1-0.2 part of diethyl aminoethyl hexanoate, and the balance of plant extract, wherein the plant extract is prepared by mixing and extracting the following Chinese herbal medicine materials in parts by weight: 20-40 parts of radix euphorbiae lantu, 15-25 parts of chenopodium ambrosioides, 12-23 parts of radix sophorae flavescentis, 10-20 parts of dandelion, 8-12 parts of gallnut, and 5-10 parts of saponin. The plant-source insect and fungus killing agent has insect and fungus killing effects, and also has certain fertilizer efficiency, and is free of residual hazard and phytotoxicity, and free of pollution, thus being an environment-friendly pollution-free pesticide with fertilizer efficiency.