Mental health symptoms are common among caregivers of young children in low-resource settings, yet access to psychological care remains limited due to shortages of specialists, low awareness, and stigma. This qualitative study explored the acceptability and appropriateness of delivering a postnatal mental health intervention for mothers through community and township health centers (CTHCs) in Shanghai, China. We conducted in-depth interviews with 50 mothers of children under 3 years of age, recr