With the continuous development of the economy and society, various types of smart wristbands are emerging one after another, and the competition in the elderly care industry is becoming increasingly fierce. Among them, the convenient elderly care ability has become one of the main indicators to measure the competitiveness of elderly care. In the decades of development, the demand for elderly care in China has been increasing, and the ability of smart elderly care wristbands has been continuously improving. However, there are still many problems in their ability, which need to be further improved. This article takes the intelligent elderly care bracelet as the research object. Firstly, it explores the background and significance of the topic, summarizes and sorts out a series of theories and methods involved, and reviews the research status of intelligent elderly care at home and abroad. Then, it introduces the relevant theoretical basis for the ability of the bracelet we designed. Further analysis of the current situation of the elderly care bracelet industry.