What is the difference between ancient Chinese medicine and modern Chinese medicine?

As a result of our country's ancient years of war, is that there are so many things no longer exist, this is a fact. Ancient people mostly from the practice, apprenticeship. Nowadays, it is mostly from the science class. Ancient people are more experience, now combined with modern medical equipment. Each has its own strengths, modern also still have specialties of the famous Chinese medicine, generally around the Chinese medicine hospitals have one or two it. Concentrated in Guangdong, Beijing for more.