Prefabricated corner side plate of concrete pool and concrete pool

The utility model discloses a prefabricated corner side plate of a concrete pool, which comprises a prefabricated corner side plate body, and the prefabricated corner side plate body comprises a first side face, a first end face, a second side face, a third side face, a second end face and a fourth side face which are connected in sequence. The first side face, the first end face, the second side face, the third side face, the second end face and the fourth side face are arranged in the first direction, the first side face and the third side face extend in the second direction, the second side face and the fourth side face extend in the third direction, the first direction is perpendicular to the second direction, and the third direction is perpendicular to the fourth direction. The second direction is perpendicular to the third direction; the distance L1 between the first end face and the third side face ranges from 200 mm to 1000 mm. The distance L2 between the second end face and the second side face range