Abstract: The legal changes of financial supervision system are always the signal of financial supervision. The UK has made three fundamental changes to its financial supervision system in 2012, 2013 and 2016.By studying its process of legal changes, we can find the two targets “promoting the diversification and competition of the department” and “preventing risks” are both weighed in financial supervision; strengthening the supervision function of the central bank both on macro supervision and micro supervision; we should always pay attention to the coordination and cooperation between the regulatory departments; it is important to protect the rights and interests of financial consumers and investors. The above measures are of great reference significance to promote innovation reform of China′s financial supervision system.

Key words: UK financial supervision, systemic financial risks, Central Bank, coordinated regulation, financial consumers