Low back pain and generalized weakness can be seen in systemic diseases, such as calcium deficiency, which can lead to abnormal bone metabolism and muscle function disorders, resulting in symptoms of low back pain and generalized weakness. 2, low potassium, which has a great impact on nerve function, can also produce symptoms of generalized weakness and low back pain. 3, such as bone loss and osteoporosis in the elderly, which can lead to symptoms of generalized weakness and generalized weakness. The symptoms of low back pain and generalized weakness can occur due to the overall abnormality of bone metabolism. 4.Some systemic diseases, such as hematological diseases and tumor diseases, can also produce symptoms of systemic toxicity, resulting in low back pain and generalized weakness. 5.Some upper respiratory tract infections, such as hypothermia, can also produce symptoms of systemic toxicity, resulting in corresponding symptoms of pain and weakness.