According to the hardiness model and the perspective of different treatment by parents. this study developed and validated a moderated mediation model to explore the direct effect of hardiness on the mental health of Chinese funded college students (FCSs). the mediating role of social support. and the moderating role of only-child (OC) /non-only-child (NOC) status. https://safeersappliancers.shop/product-category/bosch-serie-6-bfl554ms0b-built-in-solo-microwave-stainless-steel/