A slot type indication method carried out by an apparatus, comprising: receiving indication information sent by a base station, wherein the indication information comprises a setting of a slot scheduled by the base station, wherein a first setting of the slot is corresponding to a first subcarrier spacing of a first frequency band, and wherein, according to the first setting, the slot comprises fourteen orthogonal frequency division multiplexing OFDM symbols, and each of the fourteen OFDM symbols is used for uplink transmission or downlink transmission, or is reserved, and the first seven OFDM symbols of the fourteen OFDM symbols comprise at least one OFDM symbol used for downlink transmission and at least one OFDM symbol used for uplink transmission, and the last seven OFDM symbols of the fourteen OFDM symbols comprise at least one OFDM symbol used for downlink transmission and at least one OFDM symbol used for uplink transmission; and determining a second setting of the slot scheduled by the base station corresponding to a second subcarrier spacing of a second frequency band based on the indication information, wherein the second subcarrier spacing is four times the first subcarrier spacing; wherein the first OFDM symbol in the first setting is aligned with the first OFDM symbol in the second setting; wherein, according to the second setting, the slot comprises fifty-six orthogonal frequency division multiplexing OFDM symbols, and each of the fifty-six OFDM symbols is used for uplink transmission or downlink transmission, or is reserved; wherein the first setting and the second setting are from a same broadcast signaling, the same broadcast signaling is the first setting for the first subcarrier spacing, and the same broadcast signaling is the second setting for the second subcarrier spacing; and wherein the first subcarrier spacing of the first frequency band is 15kHZ, and the second subcarrier spacing of the second frequency band is 60kHZ receiving indication information sent by a base station, wherein the indication information comprises a setting of a slot scheduled by the base station, wherein a first setting of the slot is corresponding to a first subcarrier spacing of a first frequency band, and wherein, according to the first setting, the slot comprises fourteen orthogonal frequency division multiplexing OFDM symbols, and each of the fourteen OFDM symbols is used for uplink transmission or downlink transmission, or is reserved, and the first seven OFDM symbols of the fourteen OFDM symbols comprise at least one OFDM symbol used for downlink transmission and at least one OFDM symbol used for uplink transmission, and the last seven OFDM symbols of the fourteen OFDM symbols comprise at least one OFDM symbol used for downlink transmission and at least one OFDM symbol used for uplink transmission; and determining a second setting of the slot scheduled by the base station corresponding to a second subcarrier spacing of a second frequency band based on the indication information, wherein the second subcarrier spacing is four times the first subcarrier spacing; wherein the first OFDM symbol in the first setting is aligned with the first OFDM symbol in the second setting; wherein, according to the second setting, the slot comprises fifty-six orthogonal frequency division multiplexing OFDM symbols, and each of the fifty-six OFDM symbols is used for uplink transmission or downlink transmission, or is reserved; wherein the first setting and the second setting are from a same broadcast signaling, the same broadcast signaling is the first setting for the first subcarrier spacing, and the same broadcast signaling is the second setting for the second subcarrier spacing; and wherein the first subcarrier spacing of the first frequency band is 15kHZ, and the second subcarrier spacing of the second frequency band is 60kHZ