Many soldiers died when they crossed the grassland for the first time and the second time in the Long March because of eating poisonous wild vegetables by mistake. 1936 During April and May, the Red Army prepared to cross the grass three times. In order to prepare food, Zhu De specially invited local people to ask about edible wild vegetables around. Under the leadership of Zhu De, the potherb team learned and collected all kinds of potherb, and also held a potherb exhibition for the Red Army soldiers to queue up to visit.

Redmi and pumpkin soup became the main characters. Redmi and pumpkin are standard foods in Jinggangshan area. At that time, there was a song of Red Army rice: "Red rice, pumpkin soup, autumn eggplant, delicious, and the rice was listless." Dry straw, soft yellow, covered with gold thread, not afraid of the north wind and heavy snow, warm sleep. "