It is the method to puncture the filiform needle into the subcutaneous area. It is also called needle-entering method, needle taken-in method, etc. While inserting the needle, it requires that the puncturing hand and the pressing hand are closely coordinated, and that the finger force, wrist force and arm force are exerted harmoniously so that the patient feels no pain or slight pain. There are many ways of inserting the needle which are described respectively as follows.

　1. It is divided into quick puncturing method and slow puncturing method according to the speed of insertion.
　2. It is divided into inserting method and twisting-inserting method according to the way of insertion.
　3. It is divided into single-hand puncturing method and double-hand puncturing method according to the posture of puncturing hand and pressing hand.
　4. It is divided into needle-tube puncturing method and needling-apparatus puncturing method according to the needling apparatus.
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