The invention discloses a nuclear power-wind power joint running analysis method taking nuclear power unit maintenance optimization into consideration. On the basis of a traditional calculation method, the comprehensive constraint of the grid boot mode in different seasons (months) is considered, balancing is carried out monthly, and the peak load regulation capacity and wind power accepting capacity of the grid in each month are given. Thus, the calculated result can reflect the problem in grid operation more accurately, the wind power accepting capacity of a nuclear power unit in a grid-connected state can be improved effectively, the proportion of power generation based on clean energy in the grid is improved, a variety of power supplies can run in a more coordinated manner, and the method has a very broad application prospect.