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She explained the medicinal value of the dried snake powder once more.

Everyone still thought it was too expensive, Qian Zhangshi was suspicious, "Is it really that amazing? You're not a doctor, how do you know that the Five-step Snake powder has so many uses?"

Su Qingyue said, "It's like this, the old Scholar Huang in the village saw that I was pitiful and often secretly taught me to read and write, so I learned. Old Scholar Huang also secretly gave me one of his medical books, and when I had nothing to do, I would secretly break off tree branches to practice writing on the ground and secretly read the medical book, so I learned some medical knowledge. I saw the uses of Five-step Snake powder in the book."