"He smiled again ... Just yesterday, an official from eastern Guangdong came to worship and brought two small baskets of poria cocos cream. ..... There have been the most pines and cypresses here for thousands of years. I only took the semen and medicine of this poria cocos, and somehow I got this strange frost. It is said that the first person is breast-feeding, and it is best to get up one hour every day; Second, use milk; Never, roll white water. We think it is suitable for my niece. ..... "(60th)

Fresh Poria cocos is peeled, pulped and dried into white powder, which is named because it is as white as frost and delicate in texture. Poria cocos, known as Poria cocos in history books, also known as Songling and Poria cocos, belongs to Basidiomycetes, Polyporaceae, parasitic on the roots of Pinus densiflora or Pinus massoniana, and Yunnan is the best, named Yunling. "Zhong Zheng of Materia Medica" said: "If human milk is mixed, there will be more milk powder, and it will also be wonderful to nourish yin." So Liu's brother and sister-in-law wrapped a bag of poria cocos cream on duty and gave it to Liu Wuer, a timid and sickly niece.