Technical analysis of foreign exchange refers to the forecasting and analysis method of forecasting the future trend of exchange rate and determining the strategy of entering and leaving the market according to the past performance of exchange rate trend in speculative foreign exchange market with the help of technical analysis tools. Fuhui Global Jinhui pointed out that it is aimed at predicting the future trend of market price changes, taking the graphs, charts, forms and indicators of market behavior (foreign exchange market price and trading volume) as means, and using mathematics, statistics, price science and other theories to analyze and study market behavior.