She spoke to Newshub this week about the two countries' relationship.
China has imposed a series of trade sanctions on Australian exports.
The co-sponsors are facing "massive Chinese threats", according to the German Ambassador.
China has warned "the provocative event can only lead to more confrontation".
Johnson is adamant the holiday, provided by a donor, was correctly registered with the authorities.
MPs recently debated a motion filed by ACT on 'human rights abuses' of Uighurs in China.
"We request your mission NOT to participate in this anti-China event."
The relationship was back in the news this week as MPs declared abuses are underway in Xinjiang.
"I think we knew that was going to be upsetting for them," the Green MP said.