Tu Youyou started with the systematic arrangement of medical books in past dynasties. She consulted classic medical books and local medical records, visited old Chinese medicine practitioners everywhere, made more than 2,000 information cards, and finally compiled an antimalarial collection of more than 600 kinds of herbs (including Artemisia annua). "Our ancestors used Artemisia annua to treat malaria. Why can't we do it? " Tu Youyou looked through the ancient literature again to find the answer. A few words in Elbow Emergency Prescription caught her attention: "Hold Artemisia annua, dye it with two liters of water, wring the juice and take it all." Without "enlightenment", Tu Youyou would not have thought of combining modern science and technology to extract Artemisia annua L. with ether at low temperature for the first time, so as to obtain Artemisia annua L. extract with obvious antimalarial effect.
Tu Youyou devoted himself to scientific research, able to endure loneliness and boredom, dared to face doubts, was unmoved by the secular world and didn't want to be "short-lived". Finally, he stood at the peak of science and attracted the attention of the whole world.