There are many unknown weeds in rural areas. Maybe people in rural areas have seen them a lot and generally don't pay much attention to them. Although many farmers don't like it, it has high medicinal value. Here are three familiar ones.

1. Portulaca oleracea

Portulaca oleracea is also called Sargassum, Longevity, Longevity and so on.

The medicinal value of Portulaca oleracea L. lies in that it is called a natural antibiotic, which can help to treat various inflammations. It is rich in potassium salt, which can eliminate body edema, and contains potassium ions to help dilate blood vessel walls, prevent arterial wall thickening, and has the effect of lowering blood pressure. Contains special fatty acids to prevent heart disease. It also contains a lot of carotene, which can protect eyesight and prevent night blindness. However, purslane is a cold food and should not be eaten more.

2. Pteridium aquilinum

Pteridium aquilinum is also called Pteridium aquilinum, Pteridium fire fern and Pteridium powder fern.

The medicinal value of Pteridium aquilinum is that it has good effects of clearing away heat and toxic materials, killing bacteria and diminishing inflammation, and the crude fiber it contains can promote gastrointestinal peristalsis, and people will use Pteridium aquilinum to treat dysentery, constipation, diarrhea, intestinal wind-heat toxin and other diseases, with certain effect. However, people with spleen and stomach deficiency and cold should use it with caution.

3. shepherd's purse

shepherd's purse is also called local dish and rice dish.

The medicinal value of shepherd's purse lies in that it contains a lot of crude fiber, which can enhance the peristalsis of large intestine and promote excretion, thus enhancing metabolism and helping to prevent and treat hypertension and coronary heart disease. The contained Capsaicin can effectively stop bleeding, shorten bleeding time and quickly coagulate blood. However, people with yin deficiency and excessive fire should not eat it.

With the continuous improvement of people's health awareness, many people also begin to like to eat wild vegetables. However, some wild vegetables contain trace toxins and are not suitable for eating in large quantities. Therefore, no matter what kind of wild vegetables you eat, you should eat them in moderation and avoid eating them in large quantities. If you feel unwell because of eating wild vegetables, you should seek medical advice promptly.