Generally, rainy days are not suitable for fire cupping, so as not to cause discomfort.
Fire Cupping is the use of combustion to consume part of the oxygen in the can, and the heat of the flame to make the gas inside the can expand and discharge part of the air inside the can, so that the air pressure inside the can is lower than the outside atmospheric pressure (collectively referred to as negative pressure), by means of which the cans are adsorbed on the skin of the application site.
After fire cupping, the human body coupling (pores) open, rainy days may have wind, cold, dampness and other evil invasion, which is easy to have a cold, headache and other diseases. Therefore, fire cupping is not recommended on rainy days.
People who are too hungry, drunk, overfed or overfatigued should not have fire cupping. Those who are not able to cooperate with fire cupping are not recommended to have fire cupping for mental disorder, psychiatric attack, mania, tetanus, rabies and so on.
If you need fire cupping, it is recommended to go to a professional medical institution.