Sweating in the back may be caused by kidney deficiency. Symptoms of kidney deficiency often include back pain and back pain, along with symptoms such as false sweating. The main manifestations of kidney deficiency are memory loss, frequent insomnia and excessive dreaming, with back pain as the main symptom. The effect on the genitals, symptoms such as impotence, premature ejaculation, frequent and urgent urination. The causes of sweating may be diabetes, hyperthyroidism, hypoglycemia, tuberculosis, in addition to having these diseases of kidney deficiency, all of which may cause frequent sweating.