Xiaoman is the last moment when the food is not abundant. Bitter vegetables just fill the stomach and supplement the food shortage, which has long been a custom.

Sowthistle is indeed a good grass for famine relief in ancient times. As the old saying goes, "Spring breeze blows, bitter vegetables grow, and wasteland is a granary." In books such as "Disaster Relief Herbs", Sonchus oleraceus is an important disaster relief plant.

Wang Mingpan's Wild Cookbook also said: "Bitter hemp moss is bitter; It is better to fight against the mouth than against the jejunum. I hope that I can collect rent from the government and spare no effort to eat the hardships at home. "