Abstract: Autism severity has been found to be associated with social anhedonia. However, the mechanisms linking the two have not been clarified. Objective: The study was designed to examine the link between autistic traits and social anhedonia. The present study tested a serial mediation model, in which it was hypothesized that emotional intelligence and self-efficacy were serial mediators of the relationship between autistic traits and social anhedonia. Methods: Data from 245 participants (57.4% females, n = 134) ranging in age from 18 to 65 years were collected through self-report. Participants completed an online composite questionnaire consisting of The Comprehensive Autistic Trait Inventory, the Wong and Law Emotional Intelligence Scale, The General Self-Efficacy Scale and the Revised Social Anhedonia Scale. Results: The relationship between autistic traits and social anhedonia was mediated by emotional intelligence and serially mediated by emotional intelligence and self-efficacy. Self-efficacy alone failed to link autistic traits to social anhedonia. Conclusion: The study provides evidence for the significant role of emotional intelligence and self-efficacy as mechanisms underlying the relationship between autistic traits and social anhedonia. The findings are discussed in terms of elucidating the processes through which autistic traits may confer vulnerability to compromised emotional intelligence and self-efficacy, which then serve as additional risk factors for social anhedonia.