The identifiable parent property code can be used as the data fingerprint for copyright protection. The sufficient conditions are presented for the construction of IPP codes based on error-correcting codes ( ECC ). An upper bound of ECC is also given. IPP(IdentifiableParentProperty)码可构造用于版权保护的数字指纹(datafingerprint),文中给出了利用纠错码构造IPP码的充分条件,并给出了码字总数的上限。