PROBLEM TO BE SOLVED: To provide a novel construction technique for a simple house and the like, which does not require complicated clamping components to be built-in, and by which an agricultural pipe house, construction scaffolding and the like can be constructed accurately, safely and further efficiently, even by an inexperienced person.SOLUTION: A universal joint for a framework is constituted by: extending a guide frame 30 from one end of one vertical rod body 2 for a framework toward the centrifugal direction； arranging a center joint pipe 3 in which a center sleeve 32 is horizontally and integrally formed on one end of the vertical rod body 2； extending a guide frame 50 from one end of the other vertical rod body 4 for a framework toward the centrifugal direction； arranging an end joint pipe 5 in which an end sleeve 53 is horizontally and integrally formed at a position close to one end of the guide frame 50； joining the center sleeve 32 and the end sleeve 53 together so as to align concentrically while having the guide frame 30 of the center joint pipe 3 and the guide frame 50 of the end joint pipe 5 as guides for each other； loosely inserting an axle beam 6 also serving as a beam for a framework； and joining the vertical rod bodies 2 and 4 for a framework together so that an attitude angle therebetween can be arbitrarily adjusted.
