Soilless cultivation method for vegetables

The invention discloses a soilless cultivation method for vegetables, and belongs to the technical field of soilless cultivation of vegetables. The soilless cultivation method for the vegetables comprises the following steps of 1, vessel selection; 2, seedling raising treatment; 3, seedling planting; 4, seedling maintenance; according to the soilless cultivation method for the vegetables, the problems that the existing seeds are not disinfected, insect disasters and rotting of the seeds appear, the seedling raising rate is low, internal impurities cannot be removed, the impurities easily cause rotting of vegetable root systems, and vegetable growth is affected are solved, the seeds are disinfected firstly, and the seeds are effectively prevented from mildewing or insect pests; nutrient solutions containing nitrate nitrogen with different concentrations can be supplied according to the light intensity, the nitrate content of vegetables can be remarkably reduced, the inner wall of the planting container is clea