"We need to work together to do that," Kerry said at a briefing Saturday night after he met Chinese leaders during his first Beijing trip since taking office in February, Xinhua reported.
Kerry said the US and China, as two of the most powerful economies in the world as well as two permanent members of the UN Security Council, "you have the possibility of create synergy," which will benefit the whole world.
"We have a stake in China's success, and China has a stake in the success of the US," he said, adding that his country welcomes a stable and prosperous China.
"We welcome Chinese investment in the US," Kerry said, highlighting "huge" business opportunities in infrastructure projects, including water projects, transportation projects, and energy projects among others.
Kerry also said the US and China will work together to ensure cyber security.
"Cyber security affects everybody," he said. "So we are going to work immediately on an accelerated basis on cyber."
Kerry said during his Beijing stay, he talked with Chinese officials on bilateral, global and regional security issues, beginning with the situation on the Korean Peninsula.
Without giving specifics, Kerry said: "China and the US, today, we committed ourselves to find a peaceful solution (to the situation)."
China is "very serious" about the denuclearization on the peninsula, he said.