The knee joint can be damaged by walking down the stairs, but less often the damage is not obvious. The damage is mainly caused by the frequent use of stairs, or the long duration of the day, which can lead to a large force stimulation of the tibia and femur of the knee, thus causing the cartilage to degenerate. After the cartilage becomes uneven and sometimes painful, it is possible that over time hyperplasia or calcification may form near the bony structures of the knee joint and degeneration of the cartilage and meniscus or cruciate ligaments may occur, especially in menopausal women around the age of 50, when estrogen levels decline and degeneration of the joint becomes more pronounced, so try to reduce such activities, especially when Therefore, it is important to minimize this activity, especially when going down the stairs in a cold state, which can cause more damage to the knee joint. Therefore, for patients with painful knee joints and unfavorable knee movements, it is important to relax and rest the knee joints, avoid climbing stairs, and keep them warm to avoid getting cold.