I have an American green card. It took more than two years to return to Xiamen from Los Angeles. Does Taiwan Province Province need a transit visa?

Yes According to this policy, foreign residents with valid US green cards can transfer in Taiwan Province Province, China on their way back to Chinese mainland. In addition, it should be noted that effective visas and related procedures are needed to ensure smooth transfer. In addition to the green card of the United States, foreign residents from many countries can transfer in Taiwan Province Province, China on a global scale, but they need to meet certain conditions, such as holding a valid visa, the transfer time should not exceed 24 hours, and the itinerary planning meets the entry and exit regulations of Taiwan Province Province, China.