4-Nonylphenol promoted Sertoli cell autophagy and modulated the AMPK-mTOR-p70S6K/4EBP1 signaling pathways in rat testis. 4-Nonylphenol induced autophagy via activating AMPK signaling in Sertoli cells. 4-Nonylphenol inhibited mTOR-p70S6K/4EBP1 activity through AMPK activation in Sertoli cells.