The disclosure discloses an alarm report method for cascaded equipments, comprises: after receiving link alarm information, a radio equipment determines the source of the link alarm information; the radio equipment selects one link alarm information report mode from multiple predetermined link alarm information report modes according to the result of determining the source; the radio equipment reports the link alarm information to a Radio Equipment Controller (REC) according to the selected link alarm information report mode. The disclosure further discloses an alarm report system and device for cascaded equipments. The disclosure can effectively lower the alarm information processing complexity of an REC and the correlation of alarms.