Chhî Sîn-sîn (徐晨辰; 1990 nî 6 goe̍h 20 ji̍t chhut-sì ) sī Tiong-kok cha-bó͘ ngó͘-siōng thoân-thé SNH48 Team SII ê chèng-sek sêng-oân. I tī Tiong-kok Kang-so͘-séng Lâm-kiaⁿ-chhī chhut-siⁿ. I thong-kòe liáu SNH48 ê teng-soán oa̍h-tāng, ka-ji̍p SNH48.

Chhî Sîn-sîn
Cha-bó͘ koa-chhiú
Goân-bûn miâ 徐晨辰
Lô-má-jī Xú Chénchén
Chhiok-hō CC, Tāi-C (大C)
Kok-che̍k  Tiong-kok
Kò͘-hiong  Tiong-kok Kang-so͘-séng
Chhut-sì 1990 nî 6 goe̍h 20 ji̍t 1990-06-20(34 hòe)
 Tiong-kok Kang-so͘-séng Lâm-kiaⁿ-chhī
Chit-gia̍p Koa-chhiú
Siong-koan SNH48