“90后”普遍存在幸福感缺失的现象,其个体主观因素是过高的自我期望、无止境的个人欲望、较强的攀比心理、较差的心理承受能力、较低的幸福感知力。提升他们幸福感的方法主要是树立正确的幸福观、准确定位、知足常乐提高抗压能力、珍惜拥有的一切以及国家层面的大环境创造。 “After 90 ” there is a widespread lack of happiness phenomenon, the individual subjective factors are too high self-expectations, endless personal desire, strong comparisons psychology, poor psychological endurance, lower perceived happiness . The main ways to enhance their sense of happiness are to establish a correct view of happiness, accurately orientate themselves, be content with themselves, improve their ability to withstand pressure, cherish everything they have and create a great environment at the national level.