1. Urtica, also known as Huoma, is recorded in the compendium of herbs in ancient Li Shizhen, which has certain economic value, and can be used as feed for domestic livestock and oil extraction.

2. Cause analysis: Urtica is very vigorous and can grow in large areas as long as the climate is suitable. Large-scale planting can increase economic income.

3. Suggestions: Urtica nettle has more fibers, is elastic and has certain toughness, and can be used to weave blankets or hemp ropes. And its leaves are rich in protein and have nutritional value.