You can wait for the banana to grow almost, pull it up and dry it for later use. Of course, you can also use fresh plantain. The main functions of plantain are: clearing heat and diuresis; Cooling blood and detoxifying. It will blossom and bear fruit from June to July every year, and the seeds are called plantain seeds. Semen Plantaginis has diuretic, antidiarrheal, eyesight improving and expectorant effects.

Several edible methods:

1, Plantago asiatica for chronic bronchitis: Take 30-60g of dried Plantago asiatica every day, double the fresh Plantago asiatica, soak it in cold water for 30 minutes, and decoct it with strong fire twice, a total of 5 times, daily 1 dose, for 3-5 days, and the symptoms will be relieved or cured. It is especially suitable for cough and asthma caused by lung heat.

2. Treatment of parotitis with plantain: Take 30-60g of dried plantain every day, double the fresh plantain, and decoct with water twice, with 300ml of water for the first time and 200ml of water for the second time, and decoct to 100ml, and mix the two liquid medicines and take them twice. Generally, it can be relieved or cured after 3- 5 days of continuous medication, and severe cases can be treated as appropriate.

3. Treatment of gouty arthritis with Plantago asiatica: Take 30-60g dried Plantago asiatica, double the fresh amount, decoct in water twice, daily 1 dose, and take it continuously. The symptoms were relieved within 12- 15 days after taking the medicine. To prevent recurrence, take 10- 15 every 20 days, and there is no recurrence.

4. Plantago asiatica for treating aphtha: Take 30g of dried Plantago asiatica every day, double the fresh Plantago asiatica, decoct in water twice, and add appropriate amount of sugar twice orally, daily 1 dose.

5, plantain for high blood pressure: take 30 grams of dried plantain every day, double the fresh ones, decoct in water twice, and serve as tea.

6. Treatment of infantile diarrhea with plantain: Take 30 grams of dried plantain, double the fresh plantain, and decoct in water twice a day 1-2 days.