The invention discloses an economic dispatching method based on a general wind power forecasting error model. General distribution is employed for fitting of PDF and CDF of practical wind power powers on different wind power forecasting intervals, the method is relatively suitable for wind power forecasting error modeling at any time scale and any amplitude, the model fitting precision is higher than conventional Gauss distribution and beta distribution, moreover, an improved linear sequence algorithm taking consideration of wind power forecasting nondeterminacy is employed and provides new thinking for calculating an economic dispatching problem containing wind power field nondeterminacy, as the general distribution CDF and the corresponding inverse function have specific analysis expressions, a general wind power forecasting model is employed to make differential operation have the specific analysis expression, and difficulty in solving an economic dispatching problem containing undetermined wind power access is solved.