The effects and effects of nettle leaf extract: 1. It has the effects of dispelling wind and convulsions, promoting blood circulation and relieving pain, digesting laxative and detoxifying. Fresh seedlings smashed with juice can cure urticaria. Fresh grass pounded with juice can be used to treat poisonous insects and snake bites. 2. Decoction of whole grass with water can cure stomach and abdomen pain, postpartum convulsion, and pediatric convulsion; appropriate amount of decoction scrub can cure rheumatoid arthritis and its pain. Root and jute root decoction washed, can cure eczema, good effect on head eczema; moderate amount of alcohol for several days, taking can cure rheumatoid arthritis and pain. 3. Place the fresh plant or dried product around the granary or the seedbed. When the mouse touches it, it will immediately run away, so it is called a "plant cat". 4. Treatment of postpartum convulsions, pediatric convulsions: hemp nettle a little.