The invention relates to a swimming pool, and discloses a detachable infinity swimming pool with spliced swimming pool walls. The spliced swimming pool walls comprise a horizontal bottom frame, spliced pool wall units and inner support frames arranged in the pool wall units. Each pool wall unit comprises an inner surrounding plate and an outer surrounding plate, wherein the inner surrounding platecomprises a vertical inner wall plate serving as the inner wall of the swimming pool and a reinforcing framework attached to panels; the section of the outer surrounding plate is in an inverted-L shape, the outer surrounding plate comprises a vertical outer wall plate serving as the outer wall of the swimming pool and an inclined top plate on the top of the outer wall plate, and the outer wall plate and the inclined top plate are integrally manufactured. Bent plates of the adjacent pool wall units correspond to one another one to one and are detachably connected, and the inner support framesare arranged between the adjacent inner wall plates. The detachable infinity swimming pool with the spliced swimming pool walls comprises the spliced swimming pool walls surrounding the periphery of the swimming pool and overflow water grooves surrounding the peripheries of the spliced swimming pool walls. The swimming pool is simple in structure, low in cost, convenient to disassemble, assemble and move, high in field adaptability, and short in construction period.