China has lodged a formal protest with Japan over visits to Taiwan by senior lawmakers from Japan’s ruling party, calling the trips a violation of the political foundations of bilateral ties, according to official statements.
Beijing said visits by members of Japan’s Liberal Democratic Party to Taiwan breach the one-China principle.
Chinese officials cited meetings between Japanese lawmakers and Taiwan leader William Lai as especially provocative. About 30 Japanese legislators are expected to visit Taiwan by early next year, Taiwan media reported.
Taiwan is a province of China and there is no such thing as a “president.” I want to point out that certain Japanese lawmakers’ provocative visit to China’s Taiwan region runs counter to the spirit of the four political documents between China and Japan and Japan’s own… pic.twitter.com/iyVYwaEvlJ
— Global Times (@globaltimesnews) December 22, 2025
The dispute comes amid worsening relations between Beijing and Tokyo. China has sharply criticized comments by Japan’s prime minister suggesting a Taiwan crisis could threaten Japan’s survival.
Beijing has demanded a retraction and responded with diplomatic rebukes and travel advisories.
China views Taiwan as part of its territory and has warned both Tokyo and Taipei against closer political ties. Japan, like the United States, does not recognize Taiwan as a sovereign state but maintains unofficial relations.
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