In rural fields, there are some weeds everywhere, which can be used as vegetables and medicines. Vegetables have high nutritional value when eaten. Not only the farmers like it very much, but also the city people regard it as a treasure. When used medicinally, these weeds can relieve fever and disinfect, moisten skin, supplement health and save money. These rural wild vegetables are called "longevity vegetables", and now they have become extremely precious and rare products. Some of them cost several hundred yuan a catty, and some city people don't buy them if they have money.

1, Saxifraga: also known as stone lotus leaf, this dish grows in a humid environment and is cool. Drinking soup can clear lung heat. Has the functions of expelling pathogenic wind, clearing away heat, treating lumbago due to strain, cooling blood and detoxicating. Paired with indigo naturalis, it is a good medicine to dispel wind and clear heat.

2, shepherd's purse: this dish can enhance the peristalsis of the large intestine, promote excretion, thereby enhancing metabolism and helping to prevent hypertension, coronary heart disease and obesity. It is the best food for patients with "three highs". Rural people often use it to wrap jiaozi and eat it cold.

3. Lysimachia christinae: Lysimachia christinae, also known as Lysimachia christinae, is one of the favorite Chinese herbal medicines picked by farmers, but it can be used as medicine to make tea, which has good effects of clearing away heat and toxic materials and benefiting damp heat, and has a certain curative effect on chronic hepatitis.