守则 (shǒu zé) literally combines 守 (shǒu), meaning 'to guard' or 'to observe', and 则 (zé), meaning 'rule' or 'principle'. Together, they form a formal noun meaning 'code of conduct' — a set of official or widely accepted behavioral guidelines for a specific group or setting. It implies duty, responsibility, and collective agreement rather than personal preference.

This term is commonly used in institutional contexts: schools publish student守则, hospitals have medical staff守则, and companies issue employee守则. It carries a tone of authority and expectation, often appearing in written documents, posters, or orientation materials. While similar to 'rules' or 'regulations', 守则 emphasizes ethical commitment and shared values over mere compliance — it's less about punishment and more about cultivating proper conduct through mutual understanding and respect.