An abrasive liquid for a metal comprising (1) an oxidizing agent for a metal,
(2) a dissolving agent for an oxidized metal, (3) a first protecting film-forming
agent such as an amino acid or an azole which adsorbs physically on the surface
of the metal and/or forms a chemical bond, to thereby form a protecting film, (4)
a second protecting film-forming agent such as polyacrylic acid, polyamido acid
or a salt thereof which assists the first protecting film-forming agent in forming
a protecting film and (5) water; and a method for polishing.