I'm hot all over. Submarine wheel is the basic wheel and the source of heat energy supply for human body. It is closely related to gonad and renal function. Opening the Yin Hui point can be done by sitting. Many schools know the benefits of Yin Hui Point, and there are many ways to exercise Yin Hui Point. Combining various methods, opening Yin Hui point is the most obvious method. Now Chinese medicine health experts have been constantly summing up, which is nothing more than a collision with Ai.