There are many advertisements, which can't really meet the requirements of teachers. According to relevant public information, there are many middle-aged and old-aged programs in TV stations at all levels, but the programs focus on health preservation, with many advertisements and serious homogenization, which can not really meet the mental health needs of middle-aged and old people. Population aging refers to the trend that the number of young people decreases and the number of old people increases due to the decline of fertility rate and the increase of average life expectancy, and the proportion of old people in the total population increases.