The invention relates to the technical field of text analysis, in particular to a
data visualization method and
system based on rich texts. The method comprises the following steps: acquiring and analyzing a writing operation, and determining whether a content review demand exists or not according to an operation analysis result; if the content review demand exists, acquiring a sliding staying
record, analyzing the sliding staying
record, and determining a review area; analyzing the historical content of the review area, and determining the type of the historical content; and determining a display mode according to the historical
content type, and displaying the review area according to the display mode. By automatically analyzing the writing operation, the review requirement of a writer can be recognized in time, and a related review area can be quickly positioned, so that the manual search time of the writer is shortened, the writing efficiency is improved, the writer is helped to find potential deviation between contexts, the content is adjusted in time, the overall continuity and logic
closed loop of a manuscript are ensured, and the writing efficiency is improved. And the content quality is improved, and the method has wide applicability and practicability by analyzing historical contents and types.