Quantitative easing (QE), which was implemented as a measure to address deflation and promote economic growth, is subject to varying interpretations regarding its effectiveness to Japan economy. Supporters attribute the efficacy of quantitative easing (QE) to its role in mitigating a more severe economic decline through the stabilization of asset prices and the maintenance of low interest rates, so preventing future crises. Nevertheless, it is important to acknowledge that divergent viewpoints shed light on the challenges associated with attaining long-term economic expansion. These challenges are often attributed to persistent structural concerns such as a progressively aging population, restrained levels of consumer demand, and cautious levels of company investment. Critics express apprehensions regarding the inadvertent ramifications of extended quantitative easing (QE), encompassing imbalances within financial markets and potential threats to financial stability. This abstract presents a synthesis of several perspectives, highlighting the intricate relationship between quantitative easing (QE) policies and Japan's underlying economic issues. It contributes to a nuanced discussion on the overall effectiveness of QE in the Japanese context.