Significance of gypsum

A traditional Chinese medicine for external use, called Bo Tie in ancient times, is a gelatinous substance made of vegetable oil or animal oil, which can be applied to one side of cloth, paper or skin for a long time, and is mainly used for treating sores, swelling and pain.

Medical principles

Plasters work through the skin. Plaster application therapy is one of the commonly used external treatments in traditional Chinese medicine. It follows the principles of syndrome differentiation and treatment, efficacy, indications and meridian tropism, fully mobilizes the efficacy of drugs to coordinate with each other, forms a compound prescription of multiple drugs, and gives full play to the good functions of drugs.

Because the plaster is directly attached to the body surface, most of the drugs used to make the ointment have a strong smell, and then the fragrant meridian-dredging drugs can play the roles of regulating qi and blood, dredging meridians, dispelling cold and dampness, reducing swelling and relieving pain by penetrating the skin and introducing them into the meridians and viscera.

Modern pharmacological research shows that black plaster is superior to rubber plaster in absorption and curative effect. However, the production process of black plaster is complicated, there is no uniform standard, and the quality is difficult to control, which leads to uneven quality of black plaster.

Because the production of black plaster is time-consuming and laborious, Chinese medicine hospitals often apply Chinese medicine externally, that is, the Chinese herbal medicine is crushed and mixed with honey and vaseline.

After the matrix is applied externally in the form of ointment, it is fixed with cotton paper and bandage, and the dressing is changed once every 24 hours, which is costly to use. Black plaster can be used for 3- 15 days at a time, and can be applied again after being removed, without affecting the curative effect, so the cost is low.

Traditional Chinese medicine surgical plaster is a kind of compound medicine by using the principle of meridian tropism of traditional Chinese medicine and the synergistic effect of drugs to give full play to the good effects of drugs. Because the plaster is used for thin sticking to the muscle surface, the medicine with strong smell is taken out from the plaster, so that the medicine guides a group of medicines and stagnates directly to the disease site.