Electronic documents anti-tampering technology mainly includes document fixing technology, hash values verification technology, digital signature technology, trusted timestamp technology, and blockchain technology. The continuous development of these technologies has an important impact on archives management. The development of electronic documents anti-tampering technology and its impact on archives management give us the following enlightenment: archives management should completely protect new elements, promptly pursue new concepts, comprehensively apply new technologies, effectively supervise the whole process, and first publish new norms. Archives agencies should also actively expand new functions in order to effectively implement archives management in the new era.