BPO-DMA and BPO-DMA-Co(II) curing systems were used to perform solidification and isothermal differential scanning calorimetry (DSC) tests on the Polyrster putty, and the curing time, curing performance, curing degree, the reaction activation energy can be explored, It is confirmed that the introduction of Co(II) in the BPO-DMA system not only made the poly putty curing speed fast, the good air drying property, and the adhesion was excellent, but also reduced the reaction activation energy of the isothermal curing and increased the curing degree; The curing reaction process of the BPO-DMA-Co(II) curing system on the Poly putty was studied by non-isothermal DSC, The curing parameters and curing temperature of the curing system were calculated by Kissinger extreme value method, FWO integration method and T-β (temperature-heating rate extrapolation )method. At the same time, according to the Friedman calculation method, it is determined that the BPO-DMA-Co(II) curing system complies with the autocatalytic curing model，and the kinetic equation is calculated according to linear regression, the results show that the data are in good agreement with the experimental measurements.