In this overview of systematic reviews, CIM modalities for BPSDs were systematically and critically reviewed. A total of 38 systematic reviews were included in this overview, and six CIM interventions, including aromatherapy, herbal medicine, acupuncture/acupressure, MBIs, relaxation, and Taichi, were included. Overall, the methodological quality of the included studies evaluated as A MeaSurement Tool to Assess systematic Reviews 2 was poor, and most of the studies were rated low or critically