Plant growing system comprising: a film (1) for growing a plant therein, a feeding means for supplying water or a nutrient liquid to the lower surface of said film (1) in the absence of a hydroponic tank to receive water or nutrient liquid and cultivating a plant therein, said feeding means, optionally comprising a water absorbent material (8) that is in contact with the lower surface of said film (1) and a material impervious to water (2) disposed below said film (1) in which, when said feeding means comprises both said waterproof material (2) and said water-absorbent material (8), said water-absorbent material (8) it is disposed between said film (1) and said waterproof material (2) and is in contact with the lower surface of said film (1), and a drip tube as an irrigation means (3) for supplying water or al nutrient liquid to a part of said system that is placed between said waterproof material (2) and said film (1)； characterized in that said film (1) is a non-porous hydrophilic film (1) and that microorganisms and bacteria cannot pass through said non-porous hydrophilic film (1) and said water-impermeable material (2).Sistema de cultivo de plantas que comprende: una película (1) para cultivar una planta en la misma, un medio de alimentación para suministrar agua o un líquido nutriente a la superficie inferior de dicha película (1) en ausencia de un tanque hidropónico para recibir agua o líquido nutriente y cultivar una planta en su interior, comprendiendo dicho medio de alimentación, de forma opcional, un material absorbente de agua (8) que se encuentra en contacto con la superficie inferior de dicha película (1) y un material impermeable al agua (2) dispuesto por debajo de dicha película (1) en el que, cuando dicho medio de alimentación comprende tanto dicho material impermeable al agua (2) como dicho material absorbente de agua (8), dicho material absorbente de agua (8) está dispuesto entre dicha película (1) y dicho material impermeable al agua (2) y está en
