The comments, which come just three days after President Xi Jinping was in the US for talks, suggest a hardening stance in Beijing to America’s unexpected intervention in the country’s civil war.
China’s Foreign Ministry spokeswoman Hua Chunying was quoted by the Russian news agency Tass as saying Beijing opposed the missile strike.
Speaking on Monday, she said: “China has always called against using military force in international relations and for preserving territorial sovereignty.
“It is up to the Syrian people to decide on Syria’s future.”
Those remarks go further than comments made by Ms Chunying on Friday, when she said Beijing hoped “all sides will stay calm and exercise restraint to prevent the escalation of tension”.
The diplomatic crisis was triggered by a suspected nerve gas attack by Syrian President Bashar al-Assad on the town of Khan Sheikhoun, which left more than 80 people dead.
In response, Donald Trump gave the order for the launch of 59 tomahawk cruise missiles aimed at a Syrian air base said to house the chemical agents used in the attack.
In pictures: US missile strike against Syria
The air strike was launched as Donald Trump hosted Mr Xi at his Mar-a-Lago resort in Florida.
He used the talks to press Mr Xi to do more to curb North Korea’s nuclear programme, and the meeting was largely judged to be a success, particularly by Chinese state media, who said…
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