"He" is a polyphonic word, but when it is used as a surname, it is pronounced as hé.
Chinese pinyin:
Hanyu Pinyin (hànyǔpξnyξn) is a Latin scheme of Chinese characters of People's Republic of China (PRC) (PRC), which was researched and formulated by the Hanyu Pinyin Scheme Committee of the former China Language Reform Committee (now the State Language Commission) during the text reform from 65438 to 65438 to 0957. This pinyin scheme is mainly used to mark the pronunciation of Putonghua and Chinese as the phonetic symbol of Chinese characters. The National People's Congress1958 February 1 1 approved the announcement of the plan. 1982, which became the international standard ISO7098 (Chinese Roman alphabet spelling). Some overseas Chinese areas, such as Singapore, use Chinese Pinyin in Chinese teaching. In September, 2008, Taiwan Province Province, China decided to change the Chinese Pinyin translation policy from "universal Pinyin" to "Chinese Pinyin", and all parts related to Chinese-English translation will require the use of Chinese Pinyin, which will be implemented from 2009.