China aur Taiwan me diglossia ek common feature hae: China ke log jaada kar ke dui nai to tiin bhasa nai to dialect ke saaathe, Standard Chinese me bhi baat kare hae. Jaise ki, Shanghai ke log putonghua ke saathe Shanghainese me bhi baat kare hae, lekin agar uu logan huan pe paida nai bhain hae tab uu logan aapan matr bhasa me bhi baat karinye. Guangzhou ke log Cantonese aur putonghua me baat kare hae, Taiwan ke log duuno Taiwanese aur putonghua/guoyu me. Hong Kong ke log Mandarin ke saathe English aur Cantonese me bhi baat karat haoe sake hae.