Single-function treadmill refers to a single running function, aiming at losing weight, burning your excess fat and carbohydrates, promoting blood circulation and enhancing cardiopulmonary function; Multi-functional treadmill refers to adding massage, waist twisting, sit-ups and other functions to a single running function. This treadmill allows you to warm up and relax before and after running, which is more suitable for office workers and the elderly. Recommended: single function: IPAS SIERRA5, IPAS 8660, IPAS 86 10, Qiao Shan paragon308, Qiao Shan SL4.0, Qiao Shan OMEGA-II, Qiao Shan ELITE608, Qiao Shan ELITE5.0, Zhenglun 735 Multi-function: Renhe 1758D, IPAS. (It is recommended to measure the area of the pre-installed treadmill at home before buying. Relatively speaking, the bigger the treadmill, the wider the running belt and the more comfortable it is to run. It can be decided according to the actual situation. Market research, products recognized by consumers, you can browse the description of each product in detail online. Relatively speaking, imported treadmills do better in dealing with small details such as motor operation and noise treatment; However, this is only relative. At present, most of the domestic treadmills are of excellent quality, and many brands have introduced foreign advanced technology, and the product quality has reached international standards, such as Ingido, IPAS, Renhe, Bailiheng and other well-known domestic brands. Recommended: domestic: (IPAS 8660, Renhe 18 1, Ingido 1767) Import: (Qiao Shan paragon308, Qiao Shan SL4.0, Zheng Lun 735, Li Jian, Nortex) Fourth, some precautions in purchasing treadmills/KLOC-0. Whether the appearance is atmospheric and the texture is noble 2. Is the panel display powerful 3. Whether there is speed or not, directly select key 5 for slope. Does the motor run with low noise 6. Is the running area large enough?