A channel quality indicator, CQI, notifying method, comprising: learning a first CQI index according to an acquired first CQI table; and; sending the first CQI index to a base station, wherein the first CQI table comprises: an entry in which a modulation scheme is higher than 64 quadrature amplitude modulation, QAM; entries that are in a second CQI table and in which a modulation scheme is quadrature phase shift keying, QPSK; and at least one entry that is in the second CQI table and in which modulation scheme is 16QAM; wherein the entries in which a modulation scheme is QPSK, are not N entries that are in the second CQI table and in which a modulation scheme is QPSK, corresponding CQI indexes are continuous and highest ones, and corresponding code rates are highest ones, where N is a positive integer; wherein modulation schemes in entries in the second CQI table comprise only QPSK, 16QAM, and 64QAM, and a value range of a CQI index in the first CQI table is the same as a value range of a CQI index in the second CQI table; wherein a spectral efficiency in an entry in which a corresponding CQI index is smallest among entries that are in the first CQI table and in which a modulation scheme is higher than 64QAM is equal to a spectral efficiency in an entry in which a corresponding CQI index is highest among all entries that are in the second CQI table and in which a modulation scheme is 64QAM; or spectral efficiencies in T entries in which corresponding CQI indexes are smallest ones among entries in which a modulation scheme is higher than 64QAM are equal to or approximately equal to spectral efficiencies in T entries in which corresponding CQI indexes are highest ones among all entries that are in the second CQI table and in which a modulation scheme is 64QAM, where T is equal to any one natural number of 1-5. learning a first CQI index according to an acquired first CQI table; and; sending the first CQI index to a base station, wherein the first CQI table comprises: an entry in which a modulation scheme is higher than 64 quadrature amplitude modulation, QAM; entries that are in a second CQI table and in which a modulation scheme is quadrature phase shift keying, QPSK; and at least one entry that is in the second CQI table and in which modulation scheme is 16QAM; wherein the entries in which a modulation scheme is QPSK, are not N entries that are in the second CQI table and in which a modulation scheme is QPSK, corresponding CQI indexes are continuous and highest ones, and corresponding code rates are highest ones, where N is a positive integer; wherein modulation schemes in entries in the second CQI table comprise only QPSK, 16QAM, and 64QAM, and a value range of a CQI index in the first CQI table is the same as a value range of a CQI index in the second CQI table; wherein a spectral efficiency in an entry in which a corresponding CQI index is smallest among entries that are in the first CQI table and in which a modulation scheme is higher than 64QAM is equal to a spectral efficiency in an entry in which a corresponding CQI index is highest among all entries that are in the second CQI table and in which a modulation scheme is 64QAM; or spectral efficiencies in T entries in which corresponding CQI indexes are smallest ones among entries in which a modulation scheme is higher than 64QAM are equal to or approximately equal to spectral efficiencies in T entries in which corresponding CQI indexes are highest ones among all entries that are in the second CQI table and in which a modulation scheme is 64QAM, where T is equal to any one natural number of 1-5. an entry in which a modulation scheme is higher than 64 quadrature amplitude modulation, QAM; entries that are in a second CQI table and in which a modulation scheme is quadrature phase shift keying, QPSK; and at least one entry that is in the second CQI table and in which modulation scheme is 16QAM; wherein the entries in which a modulation scheme is QPSK, are not N entries that are in the second CQI table and in which a modulation scheme is QPSK, corresponding CQI indexes are continuous and highest ones, and corresponding code rates are highest ones, where N is a positive integer; wherein modulation schemes in entries in the second CQI table comprise only QPSK, 16QAM, and 64QAM, and a value range of a CQI index in the first CQI table is the same as a value range of a CQI index in the second CQI table; wherein a spectral efficiency in an entry in which a corresponding CQI index is smallest among entries that are in the first CQI table and in which a modulation scheme is higher than 64QAM is equal to a spectral efficiency in an entry in which a corresponding CQI index is highest among all entries that are in the second CQI table and in which a modulation scheme is 64QAM; or spectral efficiencies in T entries in which corresponding CQI indexes are smallest ones among entries in which a modulation scheme is higher than 64QAM are equal to or approximately equal to spectral efficiencies in T entries in which corresponding CQI indexes are highest ones among all entries that are in the second CQI table and in which a modulation scheme is 64QAM, where T is equal to any one natural number of 1-5.