Field experiment observation data of super hybrid early rice, Jinyou 458 sowed at different times from 2012 to 2013 were employed to debug crop parameters in ORYZA2000 model. The simulated data debugged by the model and disposal data from field experiment observation were used to process the fitting test and extrapolation test for confirming the development period, total aboveground biomass and spike biomass of super hybrid early rice. The results showed that the differences between the simulated values and measured values of super hybrid early rice-Jinyou 458 in blossom period were 1–3 d, and the differences in mature period were 0–3 d. The average error of above ground total biomass in blossom period was 5.2%, and the average error in mature period was 3.3%. The average error of spike biomass in mature period was 2.0%. The debugged ORYZA2000 model could be used for the growth simulation of super hybrid early rice. The model offered a quantitative technical method for evaluating the impact of meteorological conditions on the growth and biomass of super hybrid early rice.