In the modern society, chronic diseases are a major problem plaguing many elderly people. The problem that comes with chronic diseases is how to do proper self-management. Therefore, this study will research this issue from the perspective of the elderly to explore the root of the problem. At the same time, this study will discuss three aspects of health care, diet, and exercise. This study will research existing apps and websites, identify problems and propose solutions. At the same time, this study will design a database on the self-management of the elderly at home based on the survey results and survey data on the elderly. This study got inspiration from the DNA database classification project. This study hoped to integrate the information on the use of the drug, the number of daily use, and taboos according to the instructions of the drug, and finally integrate it into a general database.