Cai'er went out to learn the skill of growing Chinese cabbages, and returned to the barren Chinese Cabbage Village. The southern slope behind the village had been abandoned for many years, and the villagers only grew miscellaneous grains, relying on heaven for food. Cai'er proposed growing Chinese cabbages, which was opposed by Cai Bo, who thought there was no road to sell them. Cai'er insisted on trial planting, clearing the slope and opening wasteland with A Shi and Da Niu, raising seedlings and transplanting them, thinning seedlings and fixing the seedlings. After experiencing insect pests and cloudy rain, she finally harvested Chinese cabbages, pickled them in sauce and dried them to make pickled Chinese cabbage and spicy Chinese cabbage, opened up sales channels, and led the whole village to turn the barren slope into a vegetable garden, making the fragrance of Chinese cabbages float all over the mountain village.