精神醫學 (Cheng-sîn-i-ha̍k) (英語 (Eng-gí): psychiatry) 是 (sī)醫學 (i-ha̍k)的 (ê)一 (chi̍t)科 (kho),專門 (choan-bûn)追 (tui)心理疾環 (sim-lí-chi̍t-hoân) (英語: mental disorders) 做 (chò)診斷 (chín-toàn),預防 (ū-hông),演究 (ián-kiù)佮 (kap)治療 (tī-liâu)。心理疾繁 (Sim-lí-chi̍t-hoân)濟濟 (chē-chē)無仝 (bô-kâng)的適應 (sek-èng)障礙 (chiòng-gāi),包含 (pau-hâm)情緒 (chêng-sū),行為 (hêng-ûi),認知 (jīn-ti),佮知覺 (ti-kak)。佮心理學 (sim-lí-ha̍k)參 (chham)神經學 (sîn-keng-ha̍k)關係 (koan-hē)真 (chin)覓 (bā)。