Report Core View - The economic ideas and market operation thinking in "Discourses on Salt and Iron" have important reference significance for today's futures investment transactions, and investors can improve investment success rate and return level by learning from them [5] Key Points Influence of National Policies on the Market - The national macro - policies in the futures market, like the state intervention in the salt and iron monopoly policy in the Western Han Dynasty, have a crucial impact on the market trend, such as reserve and import - export policies affecting commodity futures prices [2] Different Market Participants - In the futures market, hedgers are similar to producers or consumers in "Discourses on Salt and Iron" who want to ensure their own interests through a stable market, while speculators are like those who look for business opportunities in policy changes [3] Market Supply - and - Demand Relationship - Supply - and - demand relationship is a core factor determining price trends in futures trading, similar to the impact of salt and iron supply and demand on prices in "Discourses on Salt and Iron" [3] Investment Philosophy - In futures investment, investors should pursue both profit and market fairness and stability, and avoid excessive speculation. They should also maintain a rational and objective attitude and make comprehensive analyses [4]