How to do cotton futures? To invest in cotton futures, investors should first choose a good futures company, and a good futures brokerage company should meet the following standards: legal subject qualification, standardized management, good reputation, high professional quality and rich market experience. The trading process of investors entering the market: entering the market-handling account opening procedures-trading. Analysis methods of cotton futures investment: including basic factor analysis and technical analysis. Basic factor analysis is a common method to analyze futures prices. It is a method to judge the price trend through a comprehensive analysis of the relationship between supply and demand of cotton. This paper mainly analyzes the basic factors that affect cotton, such as policies, basic supply and demand, market participants' trends, related commodity trends and emergencies, so as to determine the general trend or short-term trend of cotton futures prices. The technical analysis method is to predict the changing direction of the market price by analyzing the market behavior itself, that is, to draw graphs or tables mainly according to the past time series of the futures market, including the fluctuation range of trading volume, the changes of trading volume and short positions, and then analyze and study these graphs or charts to predict the trend of futures prices. Cotton futures investment and trading strategy: cotton futures investors must do a series of preparatory work when entering the market for investment and trading, and the following principles must attract investors' great attention. Basic trading strategy, understand the cotton futures market and cotton futures contracts, make trading plans, choose appropriate delivery monthly contracts, choose the opportunity to enter the market, buy low and sell high on average, determine the amount of venture capital that can be used for speculation, diversify capital investment and establish trading records.