Interest classes for middle-aged and elderly people in Nan 'an District include Chinese studies training, calligraphy training, Chinese painting training and language training. Lao Laile's interest training course for the elderly is a series of theme activities that Nan 'an District Library strives to enrich the cultural life of the elderly. Its purpose is to increase knowledge, enrich life, cultivate sentiment and serve the society, which is conducive to improving the interests of the elderly. Activities include: Chinese studies training, calligraphy training, Chinese painting training, language training and other courses. There are ***8 classes in each training, and one person is limited to one class.