Sweating is a normal phenomenon, the evaporation of sweat will inevitably take away some heat from the body, and there will be a feeling of a cold back. If there is no other discomfort, then there is nothing serious and usually no need for treatment. If there are also frequent symptoms such as back pain, night sweats, coldness, dryness, dizziness, tinnitus, insomnia and dreaminess, you should consider the possibility of kidney deficiency.
It is recommended to go to a regular hospital for examination to confirm the diagnosis.