Applying fertilizer by dropping irrigation to shed vegetables has many advantages,which is Proved to be great effect by some tests and observations. Not only it is good to reduce air humidity and keep the air temperature in the shed, but also is good to the improvement of physico-chemical properties of soil.In this way, it can promote the growing of vegetables and improve both the output and the quality of products.It has a good effect on saving water and fertilizer, reducing investment, increasing income and others as well.