Abstract: To know, protect and create brain by using brain image technology is the most important technical approach and the foremost advanced research field in brain science. To scan the brain can pro-determine and cure diseases, read hearts and strengthen brain, which will cause another revolution in the aspects as judicial judgment, commercial business, management, and military. We should make profound probe into the problems concerning epistemology and ethics in safety, accuracy of the information, privacy protection, and the use of non-medical purpose.

Key words: brain image technology, ethics, safety, privacy protection