Knee pain in the elderly “heart but not enough legs”, there are unexpected situations when it is too late to adjust posture, especially easy to fall. For example, the doorbell rings to open the door; come to the phone, in a hurry to answer the phone, etc., are prone to cause knee strangulation, fall and cause other joint fractures. It is often such inconspicuous triggers in life that cause us a lot of trouble. In such a situation, we should scientifically learn to protect ourselves, slow down the development of pain and prevent secondary injuries. From a medical point of view, you can effectively improve the symptoms of pain, protect the joints, and increase the range and strength of activities by tying knee pads, training the thigh muscles, and taking anti-inflammatory painkillers. Such methods are generally understood and will not be repeated here. In our daily life, there are also a lot of tips to prevent secondary injuries caused by falls and to protect the joints that we don’t know. Here I will share a few precautions for you based on my personal experience in practicing medicine, and I hope it will help and enlighten you. 1, slow walking: walking must be slow, can not be in a hurry, sudden changes in their movements even slower. When an accident occurs, let your body have more time to react. 2, empty-handed: go out or walk, try not to carry things in hand, you can choose to carry a small schoolbag or pull a cart. When an accident occurs, you can let the empty hands to protect themselves, even if it hurts the wrist also try not to hurt their “big crotch” 3, support: you can choose to crutches or canes, so that their weight has the protection of the auxiliary tools, but also to allow themselves to develop their hands to protect their own consciousness. 4, walking does not insert pants pockets: walking do not put their hands in the pants pockets, to prevent accidents when the two hands can not support the protection, resulting in more serious injuries. The above is only part of life to protect their own tips. We do not want to worry about what bad emergency, more importantly, we need to scientifically recognize their own physical condition and learn to protect their own consciousness, only then, we can be more healthy to enjoy the sky and life brings us happiness!