This paper develops a complete embedded humming retrieval system based on note cutting. This is an embedded humming retrieval system in the field of science. It includes pitch extraction, feature matching, fixed-point realization, and embedded implementation modules. The development platform of this system is Helios. This system has a higher recognition rate, lower cost, is more portable and has some other advantages, it can be used in intelligent toys, Karaoke systems, and search engines.