Older people with knee pain have a lot of heart but not enough legs, and are especially prone to falls when they have to adjust their posture in time for unexpected situations. For example, if the doorbell rings and you answer the door, or if you are in a hurry to answer the phone, you may fall and fracture another joint. It is often such insignificant predisposing factors in life that cause us great 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 improve the pain symptoms, protect the joints, and increase the range and intensity of movement by strapping the knee pads, training the thigh muscles, and taking anti-inflammatory and pain medications. These methods are generally understood and will not be repeated here. In daily life, there are also many tips to prevent secondary injuries caused by falls and to protect the health of the joints that we do not know. Here I will share a few precautions based on my personal experience in the practice of medicine, and hope to enlighten you and help you. 1, slow walking: walking must be slow, not in a hurry, and even slower when suddenly changing their movements. When an accident occurs, let your body have more reaction time. 2, empty-handed: when you go out or walking, try not to bring anything in your hand, you can choose to carry a small schoolbag or pull the cart. In case of an accident, you can let your free hands to protect yourself, even if you hurt your wrists, try not to hurt your “crotch” 3, support: you can choose crutches or cane, so that their weight has the protection of auxiliary tools, but also let yourself develop a sense of hand protection. 4, walking without inserting trouser pockets: walking do not insert their hands in the trouser pockets to prevent accidents when the two hands are too late to support the protection, resulting in more serious injury. These are only some of the tips to protect yourself in life. We are not to worry about what bad emergencies will encounter, more importantly, we need to scientifically understand their own physical condition and learn to protect their own consciousness, only in this way, we can be healthier to enjoy the sky and life brings us happiness!