医务室 (yī wù shì) means “nurse's office”

More examples

他肚子疼，去了医务室。tā dǔ zi téng qù le yī wù shì

His stomach hurt, so he went to the nurse's office.

A nearby care room where simple injuries and illnesses are handled.

校医室xiào yī shì: A school room where children rest when they feel unwell and receive care for small injuries.

学校、工厂等地方设置的用于处理轻微伤病和提供简单医疗的房间。xué xiào gōng chǎng děng dì fāng shè zhì de yòng yú chú lǐ qīng wēi shāng bìng hé tí gōng jiǎn dān yī liáo de fáng jiān

医 (yī, "medicine") + 务 (wù, "duty") + 室 (shì, "room") form a compound for a room assigned to medical care.

School maps may mark this room alongside classrooms, so the word helps identify where minor health problems are dealt with on site.