In summer, you can use these three ingredients to cook porridge, and you can also add a few lotus seeds. Mung beans relieve heat and detoxify. Lily nourishes yin deficiency and calms the mind. Yam can nourish the spleen and kidney yin deficiency. Lotus seeds are astringent and soothing. When the mung beans start to become sticky, add the washed, peeled and cut yam. When the yam is soft, add the washed lily. Then turn to high heat and let the rice soup boil for two minutes. Add a few wolfberry berries, then turn off the heat. That's it.