For enterprises looking to advance lean manufacturing, it is essential to understand its five core principles. Principle 1: Focus on key objectives; Principle 2: Establish target decomposition and emphasize economic indicators; Principle 3: Persist in visual management of PK competitive indicators; Principle 4: Enforce accountability with disciplined execution; Principle 5: Commit to continuous improvement through systematic problem-solving. When these "five principles" of lean manufacturing are genuinely implemented on the factory floor, production management efficiency will naturally improve.