1, protect the blood loss: the foot is an important acupoint of the human body, and socks can protect and keep warm, preventing the blood loss of the foot, especially at night.
2. Relieve the cold feeling: People with insufficient blood are more sensitive to cold. Wearing socks can relieve the cold feeling of feet on summer nights or when the temperature in air-conditioned rooms is low.
3. Promote blood circulation: Proper warmth can promote local blood circulation and contribute to the circulation of qi and blood.