Its principle is that the sun is strong in summer, reaching the peak of the four seasons, especially in dog days, the skin is slack, and drugs can easily penetrate into acupoints and meridians through meridians and blood, so bathing in hot days can often achieve twice the result with half the effort.
In the view of Chinese medicine, diseases caused by cold and evil in winter are suitable for treatment in hot days. Generally speaking, because of the weather, people like to eat raw and cold food on hot days. Now I live very comfortably, and I have installed air-conditioning fans. The temperature difference between indoor and outdoor is too large, which leads to physical discomfort. People generally think that this is a normal summer heat and don't care. When the temperature drops in winter, all potential diseases of the body will appear, so everyone will feel it necessary to start maintenance. According to the latest modern scientific research, soaking in medicinal bath in hot weather can obviously improve the immune index of the body, regulate the function of immune protein, reduce the response of β receptor and improve the immune state of the body.
Especially for our body and skin, rheumatism and osteopathy, there is not much temperature difference before and after bathing on a hot day. The faster the human body adapts, the more it sweats, which is very helpful for conditioning the body.