祝福 (zhù fú) literally combines 祝 (to wish, to pray for) and 福 (blessing, good fortune), forming a compound meaning 'blessing' as a noun or 'to bless' as a verb. It conveys warm, sincere goodwill—often tied to important life moments like birthdays, weddings, holidays, or recoveries. Unlike casual greetings, 祝福 carries emotional weight and cultural resonance, reflecting traditional values of harmony, gratitude, and auspiciousness.

The word is commonly used in both spoken and written Chinese: as a noun ('I sent her my blessings'), it appears after measure words (e.g., 一份祝福) or verbs like 送上 (to offer); as a verb ('I bless you'), it typically takes an object (e.g., 祝福你) and is often followed by a specific wish (e.g., 祝福你新年快乐). It’s frequently paired with auspicious phrases and appears on red envelopes, greeting cards, and ceremonial speeches.