The research paper aims to find out the reasons for the continued presence of US troops in Afghanistan. Even though talks with the Taliban regime are continuing but the presence of US troops and hurdles in peace talks with Taliban have created an unstable situation in Afghanistan. The extension of US troops in Afghanistan and no possible solution to the war has deep repercussion for Pakistan and the region. The article focuses of US troops presence in Afghanistan and impact on Pakistan. The paper has mainly used secondary sources for the conduct of the study