The US President took to Twitter to condemn the hermit state which carried out its latest ballistic missile test on Tuesday.
Since the launch Pyongyang has insisted it now has the capability to strike anywhere in America.
The provocation has enraged Mr Trump who has criticised the North Korean leader using his favourite nickname – Little Rocket Man.
The US President sai: “The Chinese Envoy, who just returned from North Korea, seems to have had no impact on Little Rocket Man.
“Hard to believe his people, and the military, put up with living in such horrible conditions. Russia and China condemned the launch.”
Mr Trump has been riled by the latest tests, which came following months of inaction from the hermit state.
North Korean state media said the Hwasong-15 ICBM was a historic step towards “completing the state’s nuclear force”.
Pyongyang boasted its most powerful missile to date was capable of striking anywhere on the US mainland.
A South Korean army official said it was an “unidentified ballistic missile” from Pyongsong aiming east.
In response to the launch, Mr Trump initially said: “It is a situation we will handle. We will take care of it.”
US Defense Secretary Jim Mattis told reporters: “It went higher frankly than any previous shot they’ve taken, a research and development effort on their part to continue building ballistic missiles that can threaten everywhere in the world, basically.”
More to follow…