U.S National Security Strategy 2022 calls People Republic of China as the main enemy for decades. In the United States' point of view cyberspace is the one of key spaces for confronting against China, where America is preparing to deter its “aggression”. Washington blames Beijing in using cyber for espionage and influence operation and also in having technical ability to attacking American infrastructure, including critical. How have U.S. strategic documents assessment of Chinese activities evolved from the NSS 2006? Which threats from PRC does the U.S. see for themselves in cyber? Which approaches for countering them is Washington adopting? These question answers are considered in this article.