1. Both of them are the ancestors of materialism and experimental science, and they advocate obtaining true knowledge through scientific experiments.

2. Both criticized the blind worship of authority and idealism apriorism in scholasticism, and advocated breaking "idols", eradicating all kinds of prejudices and fantasies, and obtaining regular knowledge through scientific induction.

3. Everyone advocates the spirit of scientific rationality, and thinks that science should be aimed at practical application and serve mankind. Differences:

4. In philosophy, Roger Bacon advocated criticizing and questioning authority, believing that true knowledge can only be obtained through observation and experiment, while Francis Bacon emphasized breaking "idols" and put forward induction to get a regular understanding.

5. Francis Bacon emphasized the social application value of science and advocated that science should be combined with technology to serve mankind. It is believed that science should aim at practical application, not to satisfy personal interests or arguments.

6. Roger Bacon paid more attention to the study of natural philosophy and natural science, while Francis Bacon paid more attention to social problems and the development of human civilization. The book "New Tools" put forward "empirical induction method" and "phased method", which laid the foundation for the development of modern science. In essence, philosophy is a rational activity for people to understand and know people. It is based on specific scientific, takes the universal law of the whole world as the research object, and gives theoretical guidance to specific disciplines.