Delayed gratification is not self-torture and negative restraint, but active choice and rational persistence. It does not mean completely giving up all instant pleasure, but distinguishing between short-term trivial happiness and long-term core gains. Instant pleasures such as indulging in mobile games, blind entertainment and lazy relaxation can bring temporary comfort, but they have no positive value for long-term life growth, and even consume time and energy. Delayed gratification advocates sacrificing these low-value instant pleasures, investing time in learning, exercise, skill improvement and habit cultivation, and exchanging short-term restraint for long-term ability improvement and life breakthrough. All excellent life achievements are the result of delayed gratification. Physical fitness improvement requires long-term adherence to exercise and diet control, which cannot see obvious effect in a short time, but can bring lasting health and vitality after long-term persistence; professional ability improvement requires continuous learning and accumulation, with no immediate return, but can realize career breakthrough and ability leap after years of precipitation; good personal habits and spiritual cultivation require long-term self-discipline and precipitation, which subtly shape personal temperament and life pattern. The lifestyle of delayed gratification cultivates strong self-discipline and psychological resilience. In the process of persisting in long-term goals and waiting for returns, people need to resist instant temptation, endure monotonous repetition, and accept short-term no feedback. This process exercises people’s willpower, makes them no longer impetuous and eager for quick success, and cultivates calm, persistent and steady excellent qualities. This self-discipline and resilience are the core competitiveness of personal long-term development. Delayed gratification can effectively relieve life anxiety. Many modern people’s anxiety stems from excessive pursuit of instant results. They are eager to see immediate gains in everything, and will be confused and negative once there is no short-term feedback. The lifestyle of delayed gratification lets people understand that growth needs accumulation, success needs precipitation, and short-term silence is the necessary process of long-term breakthrough. This cognitive change makes people more calm in the face of growth cycle, no longer anxious and impetuous, and maintain steady progress. Practicing delayed gratification does not require drastic life changes. It can start from small daily choices: put down instant entertainment to read and study, get rid of lazy inertia to adhere to exercise, abandon impulsive consumption to accumulate wealth, and stick to long-term goals instead of pursuing temporary gains. Every small choice of delayed gratification will accumulate into huge life advantages. In an era of pursuing speed and instant pleasure, delayed gratification is the rarest life wisdom. It helps people get rid of the trap of instant pleasure, focus on long-term life value, and realize steady growth and qualitative breakthroughs in ordinary persistent days.