Fish vine belongs to the legume family perennial Temperance plants, its root is highly toxic to fish, so it is called poison ivy. The main component of insecticide is ichthyone. Small toxicity to people, highly toxic to fish, pigs, no harm to plants. The emulsified oil made from the fish vine is called fish vine essence. It has strong poisoning effects of touch and stomach, and also has certain repellent effects and regulating effects on plant growth. Wide range of use, no residual toxicity. It is effective against aphids and a variety of chewing mouthparts. For example, spraying with 2.5% fish vine essence 600-800 times liquid can control cabbage greenfly, melon guard, golden flower bug, white artichoke long tube aphid, safflower long bearded aphid, etc.; 300-400 times liquid spray can control the party ginseng pronged locust, inchworm and other pests.