Elliptic trajectory can greatly improve the coordination ability of human body, and it also has the feeling of spacewalking. Ergonomic modeling design, safe, comfortable and natural sports design make everything come naturally. This is the Lin Kang elliptical machine. Lin Kang elliptical machine is very easy to use. It has penetrated into many community gyms and become a part of community fitness equipment, which is deeply loved by middle-aged and elderly people. It is understood that with the increase of the aging population, the number of elliptical machines sold by dealers in Lin Kang has also increased significantly. This is a rare fitness equipment for middle-aged and elderly people, and it also reflects the improvement of people's health awareness and care for the health of the elderly and elders.