South Asia is in focus of global geopolitics since the advent of the 21st century. China is an economic giant and outreaching towards West through Belt and Road Initiative (BRI). CPEC (part of BRI) has brought Pakistan in streamline in regional geopolitics. United States (US) is worried about Chinas rise, for its national interests are in danger in Asia so, it perused Pivot to Asia strategy to counter China in Asia while manipulating India. This situation has increased Pakistans importance for China. The article will assess Pak-China cordial relations and answer the following questions. Will Pakistan be helpful to China in addressing the challenges to regional peace? How will Pak-China cooperation counter Indo-US strategic partnership? What are Pak-China mutual efforts to curb terrorism?