This study is a multicenter, open-label, randomized controlled trial that enrolled 116 patients with advanced or metastatic renal cell carcinoma who had failed first-line treatment with PD-1/PD-L1 monotherapy or VEGFR TKI combined with PD-1/PD-L1 therapy. Patients were randomly assigned in a 1:1 ratio to receive either the experimental group treatment with vorolanib tablets combined with everolimus or the control group treatment with sunitinib as second-line therapy until disease progression. The study aimed to evaluate the efficacy and safety of vorolanib tablets combined with everolimus as second-line therapy for renal cell carcinoma patients.