Xi stressed that "China and the USA have a common interest in realising the denuclearisation of the Korean Peninsula and maintaining peace and stability on the Korean Peninsula".
Pyongyang responded to Trump by threatening to fire four intermediate-range ballistic missiles near the USA territory of Guam.
Since North Korea's first nuclear test in 2006, the United Nations has imposed ever-tightening sanctions on the rogue regime to force it to halt its weapons programs.
Xi also called on "relevant parties to maintain restraint" and to "persist in the general direction of dialogue, negotiations and a political settlement", CCTV said.
Residents of the U.S. island of Guam say they're anxious but overall "unworried" amid missilethreats from North Korea.
Xi Jinping has urged Donald Trump to "avoid remarks and actions that escalate tensions on the Korean peninsula" following the US President's repeated outspoken statements on the nuclear crisis. Trump later said his "fire and fury" warning maybe "wasn't tough enough" and on Friday he warned that military solutions are "locked and loaded" should North Korea "act unwisely".
And a day later, he told reporters at his golf club in Bedminster, New Jersey, that his administration is looking at military options "very carefully".
Trump capped a week of escalating rhetoric with yet another warning on Friday that if Kim makes any "overt threat" or strike at a U.S. territory or ally "he will truly regret it and he will regret it fast".
"If the USA and South Korea carry out strikes and try to overthrow the North Korean regime and change the political pattern of the Korean Peninsula, China will prevent them from doing so".
Trump described the sanctions under consideration as "very strong, very, very high level" and "probably you could say as strong as they get", but did not discuss any specific details.
He also issued a warning to North Korea on Friday, saying that the USA military is "locked and loaded" to deal with any provocation from Pyongyang.
The war of words has continued between the US and the North over the last week.
(CNN) The North Korea crisis is deadly serious and President Donald Trump is pursuing a unsafe path, escalating tensions with his "fire and fury" and "locked and loaded" comments.
"The powerful revolutionary Paektusan army of the DPRK, capable of fighting any war the USA wants, is now on the standby to launch fire into its mainland, waiting for an order of final attack", it said.
Instead, Merkel called for all sides to the crisis, including the United States, South Korea and Japan to work closely together with the United Nations.
Trump's latest warning came amid a flurry of global calls - from China, the North's key ally, as well as Russia, Germany, Britain and the United Nations - for the president to show greater rhetorical restraint. The Chinese government has worked to prevent a unified Korean state allied to the United States, going all the way back to the 1950-53 Korean War that saw hundreds of thousands of Chinese soldiers die.
Tensions between the United States and North Korea have been heightened this week as leaders from both countries have touted their military capabilities.
Guam Governor Eddie Baza Calvo had a brief conversation with President Donald Trump on Friday, in which Trump told Calvo he supports Guam "one-thousand percent".
Associated Press meanwhile reported that at the same time as Mr Trump's public lambasting and threats against North Korea, the USA and North Korean have reopened back channels for dialogue.
China won't come to North Korea's help if it launches missiles threatening U.S. soil and there is retaliation, a state-owned newspaper warned on Friday, but it would intervene if Washington strikes first.
President Trump - who has spent the past week issuing blustery threats at North Korea and insisting the U.S.
During an interview with TheBlaze on Thursday, Klingner called the president's verbal response to North Korea's provocative actions "over the top".
US Defence Secretary Jim Mattis has warned that if North Korea fires a missile at the United States, the situation could escalate into war.
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