After depression, the elderly will have a sense of powerlessness, helplessness and low self-esteem, and need to be cared for by family members or friends, and should be cared for psychologically. As children, they should often go home to see the elderly, communicate and interact with them more, so that they can feel cared for. In life, we need to pay attention to the routine of life, such as early to bed and early to rise, regularly go out to participate in activities, and develop some hobbies. Diet should ensure that it is nutritious and will not cause problems such as dry stools, and eat more protein-rich foods that will not cause depression to worsen. The most important thing is safety care. There are some mental problems of depression in the elderly, the most serious is suicidal tendency or suicidal behavior, which must be observed to prevent accidents from happening.