There are many causes of calf pain in the elderly, common causes include osteoporosis, lumbar disc herniation, malnutrition, circulatory disorders, insufficient blood supply, varicose veins, diabetes mellitus and so on. 1. Osteoporosis: The loss of calcium in the elderly due to degenerative changes in the bones will lead to osteoporosis, which will cause pain in the calf during normal activities. 2. Herniated discs: Herniated discs are very common in the elderly, and the disease can compress the nerve roots, and the area controlled by the nerves will produce symptoms of radiating pain. Calf pain in the elderly may be due to spinal nerve compression caused by a herniated disc. 3. Malnutrition: The gastrointestinal function of the elderly decreases, the ability to absorb calcium and utilize it decreases, resulting in weakened bone strength and thus calf pain. 4. Circulatory disorders: cardiovascular diseases are common among the elderly, and poor heart function leads to insufficient blood supply to the calf area, resulting in ischemic and hypoxic calf pain. 5. Varicose veins: varicose veins in the lower extremities can lead to bruising and edema in the lower extremities, which can also lead to calf pain. 6. Diabetes mellitus: Diabetes mellitus can lead to blood circulation disorders, capillary obstruction, calf tissue nutritional deficiencies, which can lead to calf pain symptoms. Elderly calf pain may also have other causes, it is recommended to go to the hospital in time, a clear diagnosis, targeted treatment.