Son Vi Communal House belongs to Son Vi village (Son Vi's common name is Ke Vay), built by ancestors and located in the center of the village, a place with beautiful natural landscapes. Son Vi communal house faces south, in front there is a large pond and flat fields, adjacent to Tu Xa commune.

Son Vi communal house worships the village's tutelary gods, the six generals of King Hung Due Vuong (18th Hung King), under the leadership of Tan Vien Son Thanh, who had the merit of establishing a fortress and helping King Hung defeat the Thuc invaders. When the enemy was over and the country was at peace, the generals and soldiers had the merit of helping the villagers reclaim land and establish hamlets... so in later generations the villagers honored them as village gods and were awarded the title of Tutelary Gods by the king. The villagers built temples and communal houses to worship and remember their gratitude for generations.

Son Vi villagers have a custom of abstaining from naming and calling the Tutelary Gods by their nicknames. They must call them differently, such as: Quy is Que, Minh is Mieng, Tam is Ton, Sinh is Xanh... Currently there is no Han Nom documentary base as well as wooden architecture to determine the date of construction of Son Vi Communal House. During the Le Dynasty, the communal house of Son Vi village had a massive architectural scale of the letter Cong (I) that went into the folk song in the Lam Thao area: "The first communal house of Son Vi, the second communal house of Tu My, the third communal house of Loi". In 1886, the communal house was burned by the French colonialists, the remaining artifacts are laterite pillars with a diameter of more than 1 meter. In 1888, Son Vi villagers rebuilt the communal house. In 1989, the local government and people restored the architecture to its present form. Son Vi communal house currently has a harem and two houses on the left and right, the front yard is tiled, the four-pillar Nghi gate was repaired in 1989. The rear palace of Son Vi communal house has 3 rooms, 1 wing, front and rear guards, The innermost space creates the upper palace - the shrine. The ceiling of the harem is decorated with the theme of the four sacred animals "Dragon, Ly, Turtle, Phuong". The roof system is stacked with 2 levels, with curved edges, the frame system is polished and smooth, the beams are tight, durable and reinforced with the roof railings in the style of overlapping tanks and stripes. On both sides of the harem are two houses, left and right, with the same architecture including 3 compartments, two-roofed house style, gabled walls, and 4-row column structure.

Son Vi Communal House still preserves a number of precious antiques, such as: Antiquities of paper materials (Jade genealogy written in Chinese "Viet thuong thi Hung of the Son dynasty vi palace of six great kings" compiled by Nguyen Binh in the year Hong Phuc Nguyen year - 1572, the Eastern Academy of Great Scholars copied the year 1851 of King Tu Duc's reign - 1856; 03 ordinations of the Nguyen Dynasty: Dong Khanh's second year - 1887, Duy Tan's third year - 1909 and Nine-year Khai Dinh - year 1924; antique wood material with folk sculpture art value in the 18th century (The palanquin bowl painted in vermilion and gilded with delicate chiseling and perforation techniques, was used by Son Vi villagers Organizing a palanquin procession into Hung Temple on the occasion of Hung King's death anniversary on March 10; the altar is embossed with the theme of the four sacred animals "Dragon, Ly, Quy, Phuong"; the altar is in the style of "Kneeling and Fish Night", surrounded by engraved themes. the four sacred treasures, the four precious treasures, the lottery leaves...).

The festival of stealing bridges and raiding Son Vi village is held from the morning of the 3rd day of Tet, called the ceremony to welcome Thanh Tan, and in the afternoon of the 5th day of Tet, the ceremony to pray to see off Thanh Tan, associated with legendary legends about them. The tutelary god is worshiped at Son Vi village communal house. Right on the evening of the 5th day of Tet, when the bridge-robbing festival was about to end, there was also a coincidence of natural law: The Northeast wind began to blow, causing the waving magic flags to flutter. towards Tan Vien mountain. The people of Vay village (Son Vi commune) shouted together and burned pipes to send Tan Vien Son Thanh back to the mountain. Seeing this, the people of A village (Ban Nguyen commune) also cheered and beat drums and gongs to bring Thanh Tan across the Red River and the people of Truc Phe village (Hung Hoa town, Tam Nong district) immediately took a rice pestle and made a loud noise to pounded banh day to make food for Tan Vien soldiers returning to the mountain. From there, there is a song: "Son Vi burned the command tube, Asia opened her mouth, Truc Phe stabbed her".

(Collection source: Proceedings of the Historical and Cultural Relics of Typical Traditional Festival of Lam Thao district in 2019)