"Li Yong's cancer can't help but be confident" writes that medlar supplements liver and kidney, clears liver and improves eyesight; Astragalus membranaceus and Codonopsis pilosula strengthen spleen and replenish qi; Lily calms the heart and calms the nerves, clearing away heat; Jujube enriches the blood and calms the nerves. Cooking soup at ordinary times can preserve health and improve immunity.