Embodiments of this application disclose a rank indication reporting method and apparatus, and an indication method and apparatus, and relate to the field of communications technologies. The method may include: receiving at least two pieces of indication information, where each of the at least two pieces of indication information is used to indicate a maximum value of an RI that a network device associated with the indication information allows a terminal to report, and at least two network devices associated with the at least two pieces of indication information cooperate to provide a service for the terminal; and reporting RIs based on the at least two pieces of indication information.