The green card of postal savings is universal throughout the country, ensuring the smooth service for agriculture, countryside and farmers. According to the official website news of the Postal Savings Bank, in order to better serve the three rural areas, urban and rural residents and small and medium-sized enterprises, the Postal Savings Bank actively arranges and organizes employees to go to the countryside, publicizes insurance products, and promotes insurance business to the countryside, with the slogan of "the postal green card is nationwide, serving the three rural areas and ensuring smooth flow".