Research progress on synthesis and application of trimethylolpropane esters was reviewed.A series of trimethylolpropane esters: trimethylolproane acrylic,animal and vegetable oil modified by trimethylolproane,trimethylolproane fatty acids compound were introduced.There synthesis methods of trimethylolpropane esters were emphatically introduced and compared.The applications of trimethylolpropane esters were also given a brief introduction