The association between a failure mindset and suicidal ideation is well-documented, yet the mediating roles of existential and coping mechanisms remain underexplored. This study investigates the serial mediation effects of meaning in life and spiritual coping on the relationship between failure mindset and suicidal ideation among undergraduate students. A cross-sectional survey was conducted with 783 Chinese undergraduates (Mage = 19.92, SD = 2.29). The measures included the Failure Mindset Scale, the Meaning in Life Scale, the Spiritual Coping Scale, and the Beck Scale for Suicidal Ideation. Using Model 6 of Hayes' PROCESS macro, the results indicated a significant direct effect of failure mindset on suicidal ideation (β = 0.442, p
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.