Materials and making: The glass jar is made of heat-resistant glass and has a spherical shape. Its opening at the lower end is small and its jar body is large. According to the diameter of jar and the size of cavity, different models are divided.
Advantages: smooth jar mouth, transparent texture, easy to observe the degree of skin congestion and blood stasis at cupping site, so as to grasp the time of cup retaining; it is currently the most widely used cupping equipment in clinical application, especially for cup moving, quick cupping, pricking and cupping, and needle-retaining cupping.
Disadvantages: Fast heat conduction, easy scalding and easy breakage.