The good thing about high temperature sauna is that it can accelerate blood circulation and metabolism and relieve fatigue, but the bad thing is that it will increase the burden on the heart and evaporation of water, and improper use of sauna may lead to increased blood pressure, heart attack and dehydration. High-temperature saunas utilize a high-temperature environment to expand capillaries throughout the body, increase sweating and take away metabolic waste from the body, accelerate blood circulation and metabolism throughout the body, and help relieve fatigue and pain, which is beneficial to the body to a certain extent. However, high-temperature sauna will also increase the burden on the heart and water evaporation, is not suitable for people with high blood pressure, history of heart disease, easy to cause elevated blood pressure, palpitations (heartbeat accelerated, often accompanied by panic), and even induced heart disease; not suitable for over-fatigue, starvation, which can easily lead to dehydration, shock and other discomforts. Although high-temperature sauna has a certain health effect, but it is not suitable for people with high blood pressure, heart disease and other basic diseases, if the sauna after the emergence of discomfort, should return to the room temperature environment in time to rest.