ALB and rheumatoid arthritis: The therapeutic effect was monitored during treatment, which alleviated the degree of joint swelling and showed an excellent anti‐inflammatory effect.[8] Kim group developed a novel anti‐RA nanoparticle, albumin‐ceria‐ICG, which could evaluate targeting ability and therapeutic effect under imaging guidance, effectively inhibiting the pathogenesis of RA.[9] Nanotherapeutic probes based on fluorescent molecules have greatly advanced fluorescence imaging‐guided RA therapy.