Nd-Fe-B　permanent　magnets　doped　with　CuZn5　powders　were　prepared　via　conventional　sintered　method.　The　effects　of　CuZn5　contents　on　magnetic　properties　and　corrosion　resistance　of　the　magnets　were　systematically　studied.　It　shows　that　the　remanence,　coercivity,　and　maximum　energy　product　decrease　gradually　with　the　increase　in　CuZn5　doping　content.　The　magnet＇s　corrosion　kinetics　in　autoclaves　environment　and　its　electrochemical　properties　in　electrolytes　were　also　examined.　It　is　interesting　to　see　that　the　weight　loss　of　3.5　wt%　and　4.5　wt%　CuZn5　powders　doping　magnets　is　only　1　and　0　mg　center　dot　cm(-2)　after　autoclaves　test　at　121　A　degrees　C,　2　x　10(5)　Pa　for　500　h,　respectively,　which　is　much　lower　than　that　of　the　magnets　without　CuZn5　doping.　Electrochemical　results　show　that　the　CuZn5　powders　doping　magnets　display　more　positive　corrosion　potential　(E　(corr))　and　lower　corrosion　current　density　(I　(corr))　than　those　of　the　original　magnets　without　CuZn5　doping　in　sulphuric　acid　electrolyte　and　distilled　water.　It　is,　therefore,　concluded　that　doping　CuZn5　powders　is　a　promising　way　to　enhance　the　corrosion　resistance　of　sintered　Nd-Fe-B　magnets.