Method, apparatus, and storage medium for text information processing are provided. The method includes: performing word segmentation on a target text according to a preset fixed word segmentation policy, and comparing a word segmentation result with a preset word segmentation list, to obtain a new word; adding the new word to the preset word segmentation list, to obtain a test word segmentation list; classifying a test text according to the preset word segmentation list, to obtain a first text, and classifying the test text according to the test word segmentation list, to obtain a second text; comparing classification accuracy of the first text with classification accuracy of the second text, and determining a target new word from the new word according to a comparison result; and adding the target new word to the preset word segmentation list, and classifying the target text.