Introduction to the Neem Pavilion: The original Neem Pavilion is located in the West Garden of Jiangning Weaving House. It is an important place for the Cao family to gather literati. The Neem Pavilion of Jiangning Weaving Museum is located in the first-floor courtyard, on the rockery on the west side of the West Pond, with hexagonal eaves, small and exquisite. Cao Xueqin's grandfather, Cao Yin, was named Lixuan, also known as Neem Pavilion. In the autumn of the thirty-fourth year of Kangxi (AD 1695), when Cao Yin took office in Jiangning Weaving, Zhang Chunxiu, the prefect of Lujiang, came to visit. Cao Yin also invited Shi Shilun, the prefect of Jiangning. So my friend Nalan Rongruo. Zhang Chunxiu impromptuly composed "Night Talk at Neem Pavilion", and then the three of them chanted it separately. It can be said that the Neem Pavilion is a symbol of the rich cultural life and noble spiritual pursuits of the Jiangning Weaving Cao family.