In addition, we should pay attention to the following points when meditating: 1, keep breathing evenly, with a certain depth, breathing thin but not thick, and it is better to hear no breathing sound; Even frequency without breathing, like a trickle, can not slow down, can not be anxious; Every time you take a deep breath, breathe in the air from your lungs and think that it will enter the air sea of your lower abdomen. 2. The left and right hands are tied under the abdomen (lower abdomen) and placed flat on the hip bone. Palm up, right hand back flat in the center of left hand, thumb gently together. In Buddhism, this is called "handprint", and this gesture is also called samadhi seal (meaning fixed seal). 3, the left and right shoulders are slightly open, so that it is flat and moderate, and you can't sink your shoulders. 4, the head is straight, and the back of the head is slightly retracted. Anterior jaw adduction (not lowering), the activity of the left and right arterial catheters in the neck can be slightly inhibited.