Yellen said that there are still some weak conditions in the US labor market, especially the slow salary growth. The risks brought by the global economy have decreased; The factors leading to the low inflation rate will gradually disappear. Some Fed members lowered their expectations of full employment.

Yellen said that the Fed raised interest rates because it believed that the low inflation rate was only a temporary phenomenon. If we postpone raising interest rates, it means that we need to raise interest rates hastily in the future.

She said that despite the interest rate hike today, the easing policy will be maintained in the future, and the benchmark interest rate of the federal funds is still extremely low, at a "neutral" level.