C197 Test drug

"Big Brother Tian, why are there so many things!?" Helian Xiyue asked in confusion, "Can lard and flour also make medicine? And this rosin, how come I've never heard of such a thing being able to be used in medicine?"

"About this," Ling Xiaotian thought for a moment, then said: "I think it can be used as medicine, as for lard and flour, they will help, you see!"

After drying the herbs he had