It takes 12 months to fly 100000 km. According to the information of China International Airlines Co., Ltd., in China International Airlines Co., Ltd., customers who want to get a gold card need to fly within 12 months 100000 kilometers, and have at least a silver card membership among the equivalent members of Star Alliance Preferred Fund of Air China or other airlines. Customers who want to get a silver card need to fly 30,000 to 49,999 kilometers within 12 months, and the points obtained by the same members in the Star Alliance Optimization Fund of Air China or other airlines meet the requirements.