A citizen buys drugs through face-scanning service at a "future drugstore" in Zhengzhou, capital of central China's Henan Province, May 24, 2018. A "future drugstore" of Alipay opened here on Thursday, which permits face-scanning paying, remote healthy consulting, enquiry reservation, 24-hour self-service drug selling and other services. (Xinhua/Feng Dapeng)

A citizen walks past a "future drugstore" in Zhengzhou, capital of central China's Henan Province, May 24, 2018. A "future drugstore" of Alipay opened here on Thursday, which permits face-scanning paying, remote healthy consulting, enquiry reservation, 24-hour self-service drug selling and other services. (Xinhua/Feng Dapeng)

A staff member shows how to reserve an enquiry at a "future drugstore" in Zhengzhou, capital of central China's Henan Province, May 24, 2018. A "future drugstore" of Alipay opened here on Thursday, which permits face-scanning paying, remote healthy consulting, enquiry reservation, 24-hour self-service drug selling and other services. (Xinhua/Feng Dapeng)

A staff member shows how to pay bills with electronic social security card at a "future drugstore" in Zhengzhou, capital of central China's Henan Province, May 24, 2018. A "future drugstore" of Alipay opened here on Thursday, which permits face-scanning paying, remote healthy consulting, enquiry reservation, 24-hour self-service drug selling and other services. (Xinhua/Feng Dapeng)

People visit a "future drugstore" in Zhengzhou, capital of central China's Henan Province, May 24, 2018. A "future drugstore" of Alipay opened here on Thursday, which permits face-scanning paying, remote healthy consulting, enquiry reservation, 24-hour self-service drug selling and other services. (Xinhua/Feng Dapeng)