Some old people naturally become the third leg of the elderly because of their mobility difficulties, although some old people don't like crutches and don't want to look so weak. But in any of the following three situations, you'd better hurry. 1, when the elderly are in action, if they feel that their body balance is not good and need support to keep their body balance, they should use crutches; 2. Old people with poor eyesight should also use crutches to help avoid obstacles and dangers during the action; 3. After examination, elderly people with severe osteoporosis are more likely to fall. It is also recommended to use crutches to prevent falls and injuries. Elderly experts believe that the elderly need not be afraid of dependence on crutches. Just like people who use crutches to assist exercise when they are sick, they naturally don't have to continue to use them after recovery. Even after using crutches frequently, some elderly people find that crutches can provide a lot of convenience, which may stimulate their desire for action, but it will help them to move their legs and feet more and keep healthy. In fact, there are many advantages for the elderly to use crutches. For example, a crutch stool can be opened as a chair to rest when you are tired. A crutch with lighting function can provide a light source for the elderly when the light is insufficient.