Happiness should be the goal of one’s life, to maintain a childlike sense of wonder at life, to pay careful attention to the beautiful things around you, and to know how to cherish all that you have. Pay attention to the beauty around you, learn to live in the present, cherish the present, and not live in the past or the future. Now, the author and all the parents learn these happy habits together. Harvard University recommended 20 happy habits 1, appreciate life: to maintain a childlike sense of wonder at life, pay careful attention to the beautiful things around you, to know how to cherish everything you have; 2, careful friendships: and optimistic, like-minded people to make friends, help you achieve your dreams, but also help you see their own strengths; 3, considerate of others: to respect and treat others well, learn to accept other people’s personalities and lives, do not try to change; 4, constantly considerate of others: to respect and treat others well, learn to accept other people’s personalities and lives. Do not try to change; 4, continuous learning: live to learn. Pay attention to new knowledge related to your career and hobbies. Boldly try things that interest you, such as skiing, surfing, skydiving, etc.; 5, problem solving: to believe in yourself, face challenges, see difficulties as opportunities, and learn to solve problems creatively; 6, do what you like: choose a job you like, and set aside time to develop hobbies to meet their special interests; 7, enjoy life: pay attention to the beauty around you, such as watching the sunrise and sunset with your loved ones …… learn to live in the present, cherish the immediate, rather than living in the past or the future; 8, laugh a lot: do not be overly serious about yourself to life. Try to find a little bit of fun around you, humor at the right time, so that life is full of laughter; 9, learn to forgive: resentment is a “self-inflicted” behavior. Forgiveness of others will give yourself peace of mind. At the same time, you should learn from your mistakes and forgive yourself; 10, gratitude: for any blessing, no matter how big or small, you should know how to be grateful. Have family, work and friends, should know gratitude, may wish to tell them personally, life because of them, you feel happy; 11, enhance interpersonal relationships: find more time to spend with family and friends, never to their promises, always give them support; 12, honest and trustworthy: honesty is the best policy. Actions and decisions should be based on honesty. The most solid and pleasant; 13, meditation: practice yoga or meditation: help to relax the body and mind, may be more to give the mind a vacation; 14, focus on their own things: focus on creating their own life, do not care too much about what others say or do, or even rumors or abuse. No need to make any judgments about this, because everyone has their own way of living; 15, optimism: think more about the benefits of things, stay optimistic. Things must happen for a reason, to let positive thoughts instead of a negative mindset; 16, unconditional to love: good at accepting the personality of others. Do not set any restrictive conditions for love. No one is perfect, even if you do not always like what your friends do, but this does not prevent you from continuing to love them; 17, never give up: face each challenge, are convinced that has been a step closer to the goal. You can’t fail if you don’t give up. People feel happier when they pursue something of value; 18, active action: everyone has limitations, do not waste energy on things beyond your control, but take active action, do not wait passively; 19, take care of yourself: to ensure rest, exercise and healthy diet, often in a fun and exciting way to practice the brain, active thinking; 20, full of confidence: understand who you are and what your preferences are . Be the best you can be, without self-doubt.