Glass jars have multiple effects in Chinese medicine cupping therapy. First, glass jars can be adsorbed on specific acupuncture points on the body surface through negative pressure, promote local blood circulation, improve the discomfort caused by meridian blockage, and have the effects of promoting qi and blood circulation, relaxing muscles and tendons, reducing swelling and relieving pain, and removing wind and dampness. Secondly, glass jar therapy can warm yang and replenish deficiency, and is suitable for symptoms such as irregular menstruation, cold uterus, and abdominal pain caused by deficiency and cold. It regulates the functions of the kidneys and spleen, stimulates the body's disease resistance, and balances the yin and yang in the body. In addition, glass jars can clear away heat and purge fire, remove heat and toxic evil spirits in the body, and play a role in clearing heat and detoxifying.
Precautions when using glass jars include: It should be used under the guidance of a doctor to avoid adverse effects on the body. Although glass jar therapy is a traditional Chinese medicine therapy, it is still necessary to be cautious when using it to ensure correct operation and avoid adverse reactions.

