The red marks of documents can be understood as red-headed documents, which refer to relevant policy documents. Generally, it is a document sent by a superior to a subordinate. During the Cultural Revolution, especially the central document. What is the significance of the color of personnel files? 1. To ensure the "true colors" of cadres' personnel files is the guardian of "putting career first". Only by respecting history and presenting it objectively can future generations learn from history. 2. Ensuring the "true colors" of cadres' personnel files is a "fair and decent" approach. Ensure the authenticity of cadre personnel files, ensure the "true color" of cadre files, make cadre personnel files have important reference value, make candidates impartial, and respect fair and decent selection and employment. 3. Ensuring the "true colors" of cadres' personnel files is a respect for "meritocracy". Ensure the authenticity of cadres' personnel files, prevent "cosmetic surgery" and "beauty", and let cadres be meritocratic.