Clinically, there are many reasons for patients to have soreness in the knee and ankle area, for example, the patient’s lower limb activities lead to muscle damage in the knee and ankle area, and the patient will have soreness. The cause of this phenomenon in the elderly is due to degeneration and hyperplasia of the bones in the knee and ankle area, resulting in osteoporosis, loss of calcium in the bones leading to local muscle nutrition and metabolism disorders, which will produce soreness and pain. In the treatment, you can ask the patient to reduce the lower limbs weight-bearing activities, and at the same time, pay attention to the local warmth, can be given to heat treatment, the use of traditional Chinese medicine fumigation or acupuncture, moxibustion and other treatments, you can also ask the patient orally anti-osteoporosis medication or supplemental calcium, can alleviate the symptoms of the clinical situation.