Hot yoga is a branch of traditional Hatha yoga. "Hot Yoga" is also called "Bikram Yoga" There have total of 26 types of hot yoga poses, like half-moon pose, cobra pose, camel pose, etc. Most of them are exercised in an environment of 38°C to 40°C .The purpose is to High temperature increases softness faster, which is a bit like using the external environment to accelerate warming up, constantly stimulating nerves and muscle groups, and stimulating the lymphatic system to expel toxins from the body; especially the reasons for doing yoga at high temperatures Not suitable for people with heart disease, physical weakness, asthma, low blood pressure/high blood pressure , or those who are pregnant or have had surgery with last 6 months .