The golden key to peace of mind - Mental Health. Him, nasal tube, gastric tube, catheter, as well as arms and legs everywhere, were stuck with tubes. The doctor told him that his son's spinal cord was broken, leaving him crippled for life. It cannot be restored, and most importantly, the medical expenses are overwhelming. Three days of treatment costs 10,000 dollars a month, amounting to at least 100,000 dollars for the elderly, which is a bolt from the blue. After going home, he could not sleep. Months later, drinking without going to the hospital, he was diagnosed with esophageal cancer. Surgery did not only remove Xia Qiu's cancer but also revealed stomach cancer. Due to depression, he died in less than a month, passing away earlier than his son. For him, the pressure did not cause heart disease, but it turned into cancer, leading to psychological endurance between cancer deaths and individuals differing cardiothoracic measures, resulting in different fates due to different backgrounds. If one does not have psychological resilience but lets it go, about health and mental health, the golden key involves two drugs that must fall before the disease and tallow. Philosophers have said: Life is like a mirror; if you laugh, it will smile back. If you cry, it cries. Happiness is even/Si happiness has no standard; happiness is a feeling. Before, life was very happy, very joyful. One day, he attended an Alumni Association meeting. Upon seeing students who had more money than him and lived in better houses, his happiness immediately disappeared, causing mental strain. Conversely, if he compared himself with those less fortunate, he would immediately feel pleased. There are two kinds of people: those who use optimism, positivity, and positive guidance to see the world. They are healthy every day, happy every day. Every day, cold or wet, their attitude will definitely affect the future of their lives. How to maintain a stable mind, a correct attitude towards oneself, the right to treat others, and a correct attitude towards social life is most difficult yet crucial. It is about how to correctly treat oneself, giving oneself proper positioning, knowing one’s place without being misplaced or offside. To put oneself in the right place, overcoming inferiority fragmentation, dislocation officials is not a great ability of many people, very capable, high status, but the final complete end crab, offside even Si A misplaced. Such occurrences are too common. Secondly, we must treat others properly, caring for others. Caring for others leads to others caring for you. Thirdly, correctly dealing with society involves always harboring a sense of social responsibility in one's heart. Regardless of your skill level, what you give to the community will never match what the community gives you in return during your childhood and basic necessities provided by society. Among people in the world, no two are the same. The difference between man and man is not in height, weight, music in the blood, cholesterol, hemoglobin, or vital capacity, but in psychology and guts, which is an absolute factor in the difference between people. Everyone wishes for a healthy body and mind to achieve self-worth and enjoy the good life of modern civilization.