The thirteen stitches of the Ghost Gate were created by Sun Zhenren, not by Zhang Daoling. Sun Simiao was originally a monk's doctor. Since ancient times, doctors and Taoist priests have never been separated. Thirteen stitches in the gate of hell can only be effective if they are combined with Sun Simiao's real-life needle-sealing spell. Otherwise, it is useless to know the order of thirteen stitches.
Thirteen needles of ghost gate are mainly used to treat yin and evil diseases. If there is no needle-sealing spell, yin evil will shrink back when using the needle, and will harm people again after using it, and even become Bangladesh. The thirteen needles of ghost gate are composed of ghost seal, ghost palace, ghost cave, ghost base, ghost road, ghost market, ghost hall, ghost pillow, ghost heart, ghost leg, ghost belief, ghost camp, ghost hiding and ghost minister. Among the thirteen ghost points, one with peculiar curative effect on epilepsy, mania and epilepsy was selected. Thirteen Needles of the Ghost Gate is a summary of eight generations' experience with a few points, which is still in use today.