The utility model discloses an aeroponics nutritional deficiency disease experimental system includes the aeroponics case: the case lid on the box opening is located to open -top's box and lid, be provided with the first hole that supplies the delivery pipe to pass on the box, the drain pipe is installed to the bottom half, be provided with the second hole that supplies the plant to pass on the case lid, the built -in nutritious liquid of nutrient solution bucket, the delivery pipe endcapped, install the pump on the delivery pipe, the delivery pipe divide into the section of absorbing water and the section that supplies water by the pump, the section of absorbing water stretches into in the nutrient solution, a plurality of aeroponics casees are passed in succession to the section that supplies water, are provided with spraying aperture in the water supply section of aeroponics incasement, the drain pipe passes through back water piping connection nutrient solution bucket. The utility model discloses aeroponics nutritional deficiency disease experimental system's an embodiment can provide accurate, convenient experiment for the experiment of plant nutritional deficiency, and it provides more accurate aeroponics nutrient solution hierarchy number certificate to test for the plant nutritional deficiency, with the nutrient solution supply that circulates, reduced the loss of water and nutrient solution, saved the experiment cost.