A power control method of a base station for use in the base station, when the base station transmits data information to a user terminal, the method comprising: acquiring a first transmission power at which the data information is transmitted to the user terminal; determining, based on the first transmission power, a first strength of data interference on a terminal attributed to a neighboring base station; determining whether a difference value between the first strength of the data interference and an interference threshold is larger than 0 to acquire a determination result; and if the determination result is larger than 0, lowering the first transmission power to a second transmission power so that when the data information is transmitted at the second transmission power, a second strength of the data interference on the terminal attributed to the neighboring base station does not exceed the interference threshold; wherein the step of determining, based on the first transmission power, a first strength of data interference on a terminal attributed to a neighboring base station comprises: acquiring a first azimuth of beam forming between the base station and the user terminal and a second azimuth between the base station and the terminal attributed to the neighboring base station; acquiring, based on the first azimuth and the second azimuth, a third azimuth of the terminal attributed to the neighboring base station, deviating from a direction of the beam forming; acquiring, according to an azimuth radiation pattern of the beam forming, a first radiation loss in the third azimuth; and acquiring, based on the first transmission power and the first radiation loss, the first strength of the data interference on the terminal attributed to the neighboring base station when the data information is transmitted at the first transmission power. acquiring a first transmission power at which the data information is transmitted to the user terminal; determining, based on the first transmission power, a first strength of data interference on a terminal attributed to a neighboring base station; determining whether a difference value between the first strength of the data interference and an interference threshold is larger than 0 to acquire a determination result; and if the determination result is larger than 0, lowering the first transmission power to a second transmission power so that when the data information is transmitted at the second transmission power, a second strength of the data interference on the terminal attributed to the neighboring base station does not exceed the interference threshold; wherein the step of determining, based on the first transmission power, a first strength of data interference on a terminal attributed to a neighboring base station comprises: acquiring a first azimuth of beam forming between the base station and the user terminal and a second azimuth between the base station and the terminal attributed to the neighboring base station; acquiring, based on the first azimuth and the second azimuth, a third azimuth of the terminal attributed to the neighboring base station, deviating from a direction of the beam forming; acquiring, according to an azimuth radiation pattern of the beam forming, a first radiation loss in the third azimuth; and acquiring, based on the first transmission power and the first radiation loss, the first strength of the data interference on the terminal attributed to the neighboring base station when the data information is transmitted at the first transmission power. acquiring a first azimuth of beam forming between the base station and the user terminal and a second azimuth between the base station and the terminal attributed to the neighboring base station; acquiring, based on the first azimuth and the second azimuth, a third azimuth of the terminal attributed to the neighboring base station, deviating from a direction of the beam forming; acquiring, according to an azimuth radiation pattern of the beam forming, a first radiation loss in the third azimuth; and acquiring, based on the first transmission power and the first radiation loss, the first strength of the data interference on the terminal attributed to the neighboring base station when the data information is transmitted at the first transmission power.