The invention discloses a distributed power grid electric energy quality prediction method and apparatus, and belongs to the technical field of a power grid. A distributed power grid accessed to a micro power grid is monitored in real time, at the same time, weather conditions and user electricity consumption conditions are also monitored in real time, necessary data used for predicting future supply and demand conditions of the power grid is obtained, and future electric energy quality status of the distributed power grid is predicted through a neural network, such that the problem of lack of a distributed power grid electric energy quality prediction means in the prior art is solved, a necessary reference is provided for management scheduling motion of power grid management personnel, and promotion and application of the distributed power grid are facilitated.