What medicine does Chen Benshan need to take recently?

I really don't know this. I usually take Uncaria to see it, but he has repeatedly explained that it is not allowed to take it from the market. It is best to pick it on the mountain and dry it yourself. Because he said that he would take students up the mountain to collect medicines, allow them to see a doctor, and facilitate those patients in rural areas who can't register and have a long journey, without increasing the burden on patients or charging registration fees in disguise. So usually I can pick some myself and ask my friends and relatives in the village for help.