A channel measurement and feedback method, wherein the method comprises: receiving, by a first user equipment, pilot port configuration information sent by a base station, wherein the pilot port configuration information is used to describe at least two pilot ports; measuring, by using the at least two pilot ports, a pilot signal sent by the base station, and determining first information, wherein the first information comprises at least one of second information of the first user equipment or third information of a second user equipment in a scenario where the first user equipment and the second user equipment communicate with the base station by performing spatial multiplexing on a same time frequency resource, the second information comprises at least one of information about a pilot port used by the first user equipment, a rank indication, RI, used by the first user equipment, a precoding matrix indicator, PMI, used by the first user equipment, or a channel quality indicator, CQI, and the third information comprises at least one of information about a pilot port used by the second user equipment, an RI used by the second user equipment, a PMI used by the second user equipment, or a CQI; and feeding back the first information to the base station, characterized in that the at least two pilot ports comprise first-category pilot ports and second-category pilot ports, the first-category pilot ports comprise at least one group of pilot ports, and the second-category pilot ports comprise at least two pilot ports, the first user equipment measures the pilot signal of the first-category pilot ports by using the first-category pilot ports, determines first information, and feeds back the first information to the base station, the first user equipment measures the pilot signal of the second-category pilot ports by using the second-category pilot ports, determines first information, and feeds back the first information to the base station, wherein the pilot port configuration information of the second-category pilot ports is information obtained according to the first information determined by means of measurement by using the first-category pilot ports. receiving, by a first user equipment, pilot port configuration information sent by a base station, wherein the pilot port configuration information is used to describe at least two pilot ports; measuring, by using the at least two pilot ports, a pilot signal sent by the base station, and determining first information, wherein the first information comprises at least one of second information of the first user equipment or third information of a second user equipment in a scenario where the first user equipment and the second user equipment communicate with the base station by performing spatial multiplexing on a same time frequency resource, the second information comprises at least one of information about a pilot port used by the first user equipment, a rank indication, RI, used by the first user equipment, a precoding matrix indicator, PMI, used by the first user equipment, or a channel quality indicator, CQI, and the third information comprises at least one of information about a pilot port used by the second user equipment, an RI used by the second user equipment, a PMI used by the second user equipment, or a CQI; and feeding back the first information to the base station, characterized in that the at least two pilot ports comprise first-category pilot ports and second-category pilot ports, the first-category pilot ports comprise at least one group of pilot ports, and the second-category pilot ports comprise at least two pilot ports, the first user equipment measures the pilot signal of the first-category pilot ports by using the first-category pilot ports, determines first information, and feeds back the first information to the base station, the first user equipment measures the pilot signal of the second-category pilot ports by using the second-category pilot ports, determines first information, and feeds back the first information to the base station, wherein the pilot port configuration information of the second-category pilot ports is information obtained according to the first information determined by means of measurement by using the first-category pilot ports.