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Mandarin Phonetic Symbols II (MPS II) is aromanization system formerly used inTaiwan. It was created to replace the complexGwoyeu Romatzyh system, which usedtonal spelling—and to co-exist with theWade–Giles romanization as well asbopomofo. It is sometimes referred to asGwoyeu Romatzyh 2 orGR2.

Based on the earlier and more complexGwoyeu Romatzyh, the tentative version of MPS II was released on May 10, 1984, by theMinistry of Education under theChiang Ching-kuo administration. After two years of feedback from the general public, the official version was established on January 28, 1986.^[1] To distinguish bopomofo (注音符號;zhùyīn fúhào) from MPS II, the former is officially called "Mandarin Phonetic Symbols I" (國語注音符號第一式).

Despite its official status for almost two decades until it was replaced byTongyong Pinyin in 2002, MPS II existed only in some governmental publications (such as travel brochures and dictionaries). However, MPS II was not used for the official romanized names of Taiwanese places, though many road signs replaced during this period use it. It never gained the same status as didWade–Giles. It is virtually unused overseas.

		Coda
		∅			/i/		/u/		/n/		/ŋ/		/ɻ/
Medial	∅	r/z[ɨ] ㄭ -i	e[ɤ] ㄜ e	a[a] ㄚ a	ei[ei] ㄟ ei	ai[ai] ㄞ ai	ou[ou] ㄡ ou	au[au] ㄠ ao	en[ən] ㄣ en	an[an] ㄢ an	eng[əŋ] ㄥ eng	ang[aŋ] ㄤ ang	er[aɚ] ㄦ er
	/j/	i[i] ㄧ i	ie[je] ㄧㄝ ie	ia[ja] ㄧㄚ ia			iou[jou] ㄧㄡ iu	iau[jau] ㄧㄠ iao	in[in] ㄧㄣ in	ian[jɛn] ㄧㄢ ian	ing[iŋ] ㄧㄥ ing	iang[jaŋ] ㄧㄤ iang
	/w/	u[u] ㄨ u	uo[wo] ㄨㄛ uo	ua[wa] ㄨㄚ ua	uei[wei] ㄨㄟ ui	uai[wai] ㄨㄞ uai			uen[wən] ㄨㄣ un	uan[wan] ㄨㄢ uan	ung[ʊŋ] ㄨㄥ ong	uang[waŋ] ㄨㄤ uang
	/y/	iu[y] ㄩ ü	iue[ɥe] ㄩㄝ üe						iun[yn] ㄩㄣ ün	iuan[ɥɛn] ㄩㄢ üan	iung[jʊŋ] ㄩㄥ iong

• Indication of tone by respelling, as used inGwoyeu Romatzyh, is eliminated. Syllables are spelled like its tone one for non-nasal initials, and like tone two for nasal initials. Tone is then marked with fourdiacritics identical to Zhuyin's.
• The romanization of the consonants is identical to Gwoyeu Romatzyh's.
• The empty rime/ɨ/ is treated in the same way asYale romanization:
  • It usesr for both:
    • ㄖ (pinyinr), and
    • what is written in pinyin asi afterzh,ch,sh,r. (The use ofr has a tonal diacritic on it and is always final.)
  • It usesz for both:
    • ㄗ (pinyinz), and
    • what is written in pinyin asi afterz,c,s. (The use ofz has a tonal diacritic on it and is always final.)
    • Thez is not written aftertz (notzz), however.Tz corresponds to Pinyinzi (and Yaledz).
• Like GR,-iou,-uen, and-uei are all written out, unlike thePinyin/Wade-iu,-un, and-ui.
• GR'sau persists, as opposed to theao ofPinyin,Wade-Giles, and the laterTongyong Pinyin.
• GR'siu (Pinyinü) is written as-iu andyu (alone).
• GR's-ong is spelled now-ung (likeWade-Giles).
• GR'sel is spelled nower (likePinyin).
• Y- andw- are added to or replacei andu (respectively), similarly to Gwoyeu Romatzyh and identical to Pinyin.

An example phrase, "The second type of Chinese phonetic symbols":

Spaces are generally used in place ofhyphens, except in personalnames, which use hyphens in between the syllables of thegiven names.

• Standard Mandarin Pinyin Table The complete listing of all Pinyin syllables used in standard Mandarin, along with native speaker pronunciation for each syllable.
• Conversion chart (syllable level)
• ROC government booklet on MPS II (in English and Chinese)
• Taiwan's official romanization system: MPS2

• Romanization of Chinese

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