General dialogue model training and dialogue generation method and device

The invention provides a general dialogue model training and dialogue generation method, and relates to the technical field of artificial intelligence such as natural language processing and deep learning. The universal dialogue model training method comprises the steps of obtaining a chat dialogue set, a single-round question and answer dialogue set, a portrait dialogue set, a knowledge dialogue set and a task dialogue set; training a neural network model by using the chat dialogue set, the single-round question and answer dialogue set, the portrait dialogue set, the knowledge dialogue set and the task dialogue set to obtain a first dialogue model; constructing a multi-type dialogue set according to dialogue data in the chat dialogue set, the knowledge dialogue set and the task dialogue set; and training the first dialogue model by using the multi-type dialogue set to obtain a general dialogue model. The dialogue generation method comprises the steps of obtaining a current dialogue statement and a historical