A vertical plant cultivation closed system, the environment of the closed system can be controlled, the system has a growing space (1) that consists of 4 side walls and upper/lower walls. An environment control unit (2) controls light, temperature and air movement of the growing space (1). A tower pot (3) has plant root fixing points for fixing plant roots, multiple tower pots are arranged in vertical direction, a HOF (5) is set above at least one of the plant root fixing points on the tower pot (3).
