Water conservation and maintenance soil plant breeding device

The utility model discloses a water retaining and soil maintaining plant cultivating device, which comprises a cultivating tube (1). A nutrition bag (2) is arranged under the cultivating tube (1), a suction tube disc (3) is arranged between the cultivating tube (1) and the nutrition bag (2), and a suction tube (4) and a vent pipe (5) are arranged on the suction tube disc (3). The manufacture of the water retaining and soil maintaining plant cultivating device is simple, the operation is easy, the plants are required to be planted at the inner upper part of the cultivating tube and communicated with the nutrition bag which is filled with water content and fertilizer, and then the assembled cultivating device is buried in the environments such as earth, sand, rock, etc. where the plants are required to be planted, a bearing separation disc is exposed or the cultivating device is arranged on the supporting rack or at the required place. The plants are not required to be fertilized or watered in the predicted time, and can survive and grow, to attain the planting purpose. Compared with the prior art, the water retaining and soil maintaining plant cultivating device has the advantages of simple structure, easy operation, high plant survival rate, etc., and can be used for the fields such as the plant planting in the dry area or the garden plant planting, etc.