As a new concept, new model and new method, digital humanities has been sought after by many disciplines including archival science, and related research is active. However, some scholars have questioned the application of digital humanities research in the field of archival science, and believe that this is an irrational follow-up behavior. This paper first puts forward the "follow-up theory" proposal scene, and further clarifies the logical relationship between "digital humanities" and "archival science ", and in the speculative form, the paper puts forward the emphasis and sustainable development strategies of archival science from the perspective of digital humanities.