Global foreign exchange-the recent sharp depreciation of the yen has no restraint or bottom line, which is mainly caused by the following aspects. First, the easing of the Bank of Japan is the direct driver of the sharp depreciation of the yen. The current monthly figure of 80 trillion yuan will be the support for the possible continuation of the yen. Secondly, Japanese Finance Minister Taro Aso said that after the yen fell "too fast" to boost export sales and stimulate domestic inflation, the euro also fell from a six-year high of 1.5%. Third, domestic political disputes continue, and Ampere dissolved the House of Representatives ahead of schedule and held a general election, which will lead to political chaos after two years of calm; Japanese Finance Minister Taro Aso said that after the yen fell "too fast" to boost export sales and stimulate domestic inflation, the euro fell 1.5% against the yen from a six-year high. Fourth, StevenBarrow, foreign exchange strategist at Standard Bank, warned that the Bank of Japan may lose control of the yen's decline due to the record increase created by quantitative easing, because "we can't believe that the Bank of Japan can continue to buy more and more national debt without some consequences."