The invention discloses a roof. The roof comprises a roof upper part formed by splicing first roof units, and a roof lower part formed by splicing second roof units, wherein each first roof unit comprises laid pipes, each second roof unit comprises grooves, the laid pipes communicate with the grooves, and the roof upper part and the roof lower part are in matched connection and made from textiles. The roof with the structure can be in modular production in factories, can be assembled or disassembled on site, is high in construction working efficiency and has favorable ventilation and heat insulation effects.