The invention discloses a text content auditing method based on a sensitive word. The text content auditing method comprises the following steps of: receiving a text to be audited, carrying out parsing and word segmentation on the text to be audited, and obtaining all keywords in the text to be audited; according to all keywords, inquiring a preset sensitive word database, and obtaining the sensitive word in the text to be audited, wherein the sensitive word database comprises sensitive words and the synonyms or the homoionyms of the sensitive words; obtaining the co-occurrence keyword of the sensitive word in a preset text length, calculating the violation weight of the sensitive word and the co-occurrence keyword of the sensitive word, and judging whether the violation weight is greater than a preset violation threshold value or not; and if the violation weight is greater than the preset violation threshold value, proving that the text to be audited is a violation text, and otherwise, proving that the text to be audited is a normal text. By use of the text content auditing method, a misjudgment probability is effectively lowered, auditing accuracy is improved, and the text content auditing method has quick reaction capacity for anagrams and net neologisms.