1994年-1995年陕西省考古研究所对位于礼泉县昭陵寝宫附近的陪葬墓之一新城公主墓进行了发掘。该墓墓主为唐太宗第二十一女,葬于高宗龙朔三年(663)。据出土墓志,知公主名为李口。该墓由斜坡墓道、5个天井过洞和8个小龛组成,是典型的斜坡墓道单室砖墓。该墓使用了石棺床、石门等石质葬具。墓内随葬品已经被盗掘殆尽,仅保留有陶瓷器 1994-1995 Shaanxi Provincial Institute of Archeology in the Quanzhou Zhaoling Palace near one of the tombs of the New Town Princess Tomb unearthed. The tomb tomb for the twenty-first female Taizong, was buried in the three years of Longshen Gaozong (663). According to unearthed epitaphs, known as the princess Li mouth. The tomb of the ramp by the ramp, five paved holes and eight niches, is a typical slope grave single brick tomb. The tomb used a stone coffin bed, stone doors and other stone burial supplies. Tomb funerary objects have been dug and dug away, leaving only the pottery