Calligraphy terminology. The name of the fingering method of holding the pen, when holding the tube, the phalanx of the thumb is straight, and the inside is slightly convex, forming a long and narrow gap with the flexed index finger, so it is called "phoenix eye". People with prominent phalanges and empty mouths are called "longan", which is another way of writing.

External acupoints. "Elbow Spare Emergency Prescription": "One pawn vomits one inverse ... On the other hand: moxibustion with the inner paws of two thumbs makes the head strong." It is recorded in books such as Taiping Shenghui Fang and Acupuncture Integration. And it is said that the treatment of children's finches is that they can't bend and stretch. "Introduction to Acupuncture Points and Their Therapy" lists the point about one inch behind the nail and the tip of the inner horizontal bar as the point outside the meridian, named as Danfengyan. Suitable for all eye diseases. Straight stab 0.2 inch. Moxibustion 1-3. See Yan Feng entry point for details.

Clothing terminology. An eye opened with a phoenix eye machine. There are two kinds of cheng: one with a tail and the other without a tail. The phoenix eye with tail is mainly used for the front middle waist buttons of jeans and casual pants, and the buttons of leisure bags. Tailless watercress is generally used for suits and suits, and a date should be added behind it.