As winter approaches, the number of depressed patients coming to the clinic is gradually increasing. Patients are mainly aged between 13 and 45 years old, mainly manifesting as depressed mood, frustration, depression, feeling less energetic and uncomfortable from time to time, sleepless at night, uninterested in the outside world, only wanting to indulge in their own world, and even suicidal in severe cases. Winter depression, also known as seasonal replacement depression, is an affective disorder whose incidence has been increasing year by year in recent years, thus receiving widespread attention from the medical community. It occurs mainly because the human biological clock can not adapt to the changes in the short daylight hours in winter, resulting in biorhythmic disorders and endocrine disorders, thus disrupting the emotional and mental state, this disease mostly occurs in people with introverted personality, sensitive and suspicious, emotional vulnerability, and psychology is closely related to the temperament of the person itself. Director Wang stressed that winter depression is divided into three states: mild, moderate and severe. The milder ones are in a poor state of mind every day and lose motivation in life and work, while the more severe ones gradually lose their social and work abilities and even have suicidal tendencies. So how can we stay away from winter depression? The key is to increase daylight exposure and outdoor activities. Open the windows often during the day, so that the indoor air circulation; often listen to relaxing music, participate in some cultural and sports activities that can cheer up the spirit; talk more with friends, or read some healthy books, in order to active their mood and thinking. Pay attention to strengthening nutrition, improve the diet structure, eat some high-calorie, brain-healthy food as well as vegetables and fruits, eat less carbohydrate food, should not eat too much. Work and rest on time and improve the quality of sleep.