It follows New Zealand's decision last week to suspend its agreement with Hong Kong.
He wants China to honour the 'one country, two systems' guarantee.
It says New Zealand may be "dancing to the tune of Americans".
The Middle Kingdom has now suspended its agreement with several Five Eyes countries.
Beijing has retaliated to the US ordering China to close its Houston consulate.
It's blasted the shutdown as an election ploy by US President Donald Trump.
He had to have half of his liver removed.
China's warning to NZ not to meddle in its internal affairs was ill-judged, Prof Robert Patman says.
It comes after PM Ardern spoke out against its treatment of Uighurs and the Hong Kong security law.
