Wáng Xīxīn 王錫鑫 (zì Yàzhuō 亞拙, hào Yúquán 魚泉, fl. Dàoguāng era, mid-19th c.), Qīng-period paediatrician of the upper-Yáng-zǐ region, active in Chóngqìng (Yúchéng 渝城). Pupil of one Juélái xiānshēng 覺來先生. Author of Yòukē qièyào 幼科切要 (KR3ej025), completed in 1847 (Dàoguāng 27 dīngwèi) at Chóngqìng with the patronage of his Chóngqìng friends Fù Yírú 傅怡如, Aì Xūtáng 艾頊堂, and Qiū Dōngshān 邱東山. The work was prefaced by Dù Jiàlù 杜價祿 (zì Bīnwǔ 賓五), a lǐnshēng 廩生 (stipended licentiate) of Jiāngyīn 江陰. No CBDB record; lifedates not securely recorded.