Artemisinin innovation embodies which of the following innovation principles?

Thinking innovation, method innovation.

1. Thinking innovation: Tu Youyou broke the framework of traditional medicine in the process of discovering artemisinin, sought inspiration from traditional medicine, and successfully extracted artemisinin by combining modern science and technology, which is a typical thinking innovation.

2. Method innovation: Tu Youyou and his team adopted many new research methods, such as large-scale screening and structural analysis, which provided important reference for the later research of antimalarial drugs.