To meet demands of researches on nanoscale photothermal effect, a real-time dynamic controllable nano-heating source is demonstrated, which is based on the robust dynamic manipulation of gold nanoparticles by plasmonic nanotweezers. Based on finite element method, the relationship between photothermal effect of gold nanoparticles and the strength of surface plasmon polariton electromagnetic field is elaborated by numerical simulations. The confinement and enhancement of electromagnetic field induced by hybridization of surface plasmon polariton and localized surface plasmon polariton with the nanotweezer system is explained and then the photothermal effect during the progress of nanoparticle capturing are analyzed. Further, the methods to real-time control of its power are delivered. To validate the heating ability of gold nanoparticles in the plasmonic nanotweezers, experiments are implemented. Integrated with plasmonic nanotweezers, the precise manipulation of metal nano-heating source supports a reliable and flexible method for the research of nanoscale thermal effect.