First aid means the emergency treatment. It refers to the initial rescue and care for the sick or injured of sudden illness or accident, before the arrival of doctors and nurses.

Jíjiù jiùshì jǐnjí jiùzhì de yìsi, shì zhǐ zài jíbìng huò yìwài fāshēng shí, zài yīshēng hé hùlǐ rényuán dàodá qián wèi shēngbìng huò shòushāng de rén, jìnxíng chūbù de jiùyuán hé hùlǐ.