The weather is getting colder day by day, Xiao Hui looked outside the window leaves keep falling down, the mood can not help but worry. It turns out that a year ago, Xiao Hui may be due to the work pressure gradually appeared to have difficulty sleeping at night, the thought of work things feel headache, head swelling obvious. Later, she gradually became depressed, uninterested in doing things, decreased energy, inattentiveness, reduced speech, decreased appetite, waking up early with self-blaming thoughts, worrying about not being able to do the job and dragging down colleagues. After taking sleeping pills, he did not have any significant improvement in sleep and went to the psychiatric department. No abnormalities were found in blood routine, urine and stool routine, blood biochemistry, electrocardiogram, ultrasound, thyroid function test, electroencephalogram and cranial CT; psychological test indicated major depression and moderate anxiety. He was diagnosed with depression, and after 9 months of treatment with antidepressants combined with psychotherapy, his condition was cured and his work ability, social function and personal life were completely restored to normal. As winter came again, Xiaohui looked up the literature related to depression relapse on the Internet, plus she was busy with work at the end of the year recently. She couldn’t help but worry about the recurrence of her depression, so she called her treating doctor for advice. Doctor’s answer: Depression is one of the most common mental disorders in the population, and its cause has not been completely deciphered yet, but it is generally believed to be caused by the interaction of biological, genetic and psychosocial factors. Depression is a disease with a certain relapse rate, and the likelihood of disease relapse increases with the number of relapses. In winter, the cold climate will cause the metabolism and physiological functions in the body to be in a state of inhibition, and endocrine functions such as pituitary gland and adrenal cortex to be disrupted, so winter is also the season of depression. To prevent the occurrence of depression in winter, the following points should be done. 1, strengthen exercise and human interaction. When exercising the human body breathing changes, the need to focus, avoid obstacles, the body feels tired as well as muscle aches and pains, etc., all of which will enable patients to shift depressive thinking and improve self-confidence. Through exercise, the metabolism in the body is accelerated and the secretion of adrenaline increases, which will make people cheerful and happy. In the exercise and other people to have a pleasant interaction more can make their own benefit, because people will unconsciously in the interaction to learn how to effectively express their needs and feelings, feel more control over their lives, this feeling can avoid depression, can also prevent the recurrence of depression. 2, pay attention to sleep and body nutrition balance. It is also very necessary to improve the quality of sleep and pay attention to the quality of the three meals. When a person’s body is well, it can better resist the production of depression. In the cold winter, the oxidation process in the body to strengthen to produce more heat to below the cold. Therefore, winter needs to provide a diet with sufficient heat to meet the needs of the body, such as eating more meat, eggs, peanuts, beans food, especially like lamb and beef, not only nutritious, but also high heat production, which can enhance the ability to resist the cold. Of course, vitamin-rich vegetables and fruits are not lacking. In addition, avoid caffeine, alcohol, cigarettes and other substances when depressed. 3, is to increase the time of light. Long periods of reduced sunlight exposure in winter often lead to dysregulation of pineal hormone secretion in the pituitary gland of depressed patients, and changes in biological clock rhythms can increase the risk of relapse. When the night comes, the human brain pineal melatonin secretion enhanced, it will affect the mood of people, light can inhibit the secretion of this hormone. So more sunshine in winter, more outdoor activities, while indoor daytime do not hang curtains, the evening to properly increase the brightness of indoor lighting. 4, appropriate psychological adjustment. To improve their ability to cope with unexpected events, improve their mental capacity, and can carry out moderate relaxation training, such as playing tai chi or sit down to meditate, learn to stabilize their emotions. When you are depressed, you may want to do other things to distract yourself, such as reading the books and newspapers you like to read, listening to the music you like to listen to, or find friends to talk and chat, try to have more contact with people, so that you can reduce your worries to a minimum. You can also travel and store to relieve boredom. When you think in a way that you should avoid absolute ideas, arbitrary and arbitrary conclusions, hats and other unreasonable cognitive patterns, when you are really bored and can not be relieved, you can seek advice from a psychiatrist. 5. Take some antidepressants or emotional stabilizers appropriately under the guidance of a doctor familiar with your condition. If there is continuous or severe insomnia, bad mood seriously affect work life, suicidal thoughts or actions must immediately seek help from a psychiatrist.