A polishing pad comprising: a polishing layer, wherein the polishing layer includes zinc (Zn), iron (Fe) and aluminum (Al), and a concentration of the zinc (Zn) is 0.5 ppm to 40 ppm parts by weight based on a total weight of the polishing layer, characterized in that the polishing layer has a total oxidizing power index of 1.5 to 10 represented by the following Equation 3: Total oxidizing power index = Con . Al × Oxi . Al + Con . Zn × Oxi . Zn + Con . Fe × Oxi . Fe wherein the Con. Al is a concentration value in ppm of the weight of the aluminum (Al) based on the total weight of the polishing layer, the Con. Zn is a concentration value in ppm of the weight of the zinc (Zn) based on the total weight of the polishing layer, the Con. Fe is a concentration value in ppm of the iron (Fe) weight based on the total weight of the polishing layer, the Oxi. Al is an ionization index of the aluminum (Al), and is a value obtained by dividing the reciprocal of the primary ionization energy of the aluminum (Al) by the sum of the reciprocal of the primary ionization energy of the aluminum (Al), the reciprocal of the primary ionization energy of the zinc (Zn), and the reciprocal of the primary ionization energy of the iron (Fe), the Oxi. zn is an ionization index of the zinc (Zn), and is a value obtained by dividing the reciprocal of the primary ionization energy of the zinc (Zn) by the sum of the reciprocal of the primary ionization energy of aluminum (Al), the reciprocal of the primary ionization energy of the zinc (Zn), and the reciprocal of the primary ionization energy of the iron (Fe), and the Oxi. Fe is an ionization index ot the iron (Fe), and is a value obtained by dividing the reciprocal of the primary ionization energy of the iron (Fe) by the sum of the reciprocal of the primary ionization energy of the aluminum (Al), the reciprocal of the primary ionization energy of the zinc (Zn), and the reciprocal of the primary ionization energy of the iron (Fe). a polishing layer, wherein the polishing layer includes zinc (Zn), iron (Fe) and aluminum (Al), and a concentration of the zinc (Zn) is 0.5 ppm to 40 ppm parts by weight based on a total weight of the polishing layer, characterized in that the polishing layer has a total oxidizing power index of 1.5 to 10 represented by the following Equation 3: Total oxidizing power index = Con . Al × Oxi . Al + Con . Zn × Oxi . Zn + Con . Fe × Oxi . Fe wherein the Con. Al is a concentration value in ppm of the weight of the aluminum (Al) based on the total weight of the polishing layer, the Con. Zn is a concentration value in ppm of the weight of the zinc (Zn) based on the total weight of the polishing layer, the Con. Fe is a concentration value in ppm of the iron (Fe) weight based on the total weight of the polishing layer, the Oxi. Al is an ionization index of the aluminum (Al), and is a value obtained by dividing the reciprocal of the primary ionization energy of the aluminum (Al) by the sum of the reciprocal of the primary ionization energy of the aluminum (Al), the reciprocal of the primary ionization energy of the zinc (Zn), and the reciprocal of the primary ionization energy of the iron (Fe), the Oxi. zn is an ionization index of the zinc (Zn), and is a value obtained by dividing the reciprocal of the primary ionization energy of the zinc (Zn) by the sum of the reciprocal of the primary ionization energy of aluminum (Al), the reciprocal of the primary ionization energy of the zinc (Zn), and the reciprocal of the primary ionization energy of the iron (Fe), and the Oxi. Fe is an ionization index ot the iron (Fe), and is a value obtained by dividing the reciprocal of the primary ionization energy of the iron (Fe) by the sum of the reciprocal of the primary ionization energy of the aluminum (Al), the reciprocal of the primary ionization energy of the zinc (Zn), and the reciprocal of the primary ionization energy of the iron (Fe). <EOS>