Simple greenhouse suitable for rapid cultivation of various crops

The utility model relates to the technical field of agricultural instruments, in particular to a simple greenhouse suitable for rapid cultivation of various crops, which comprises a mounting framework, light-transmitting tarpaulin and a movable door curtain. The supporting piece comprises a first stand column and a second stand column which are arranged on the two sides of the installation framework respectively, the bottom end of the first stand column and the bottom end of the second stand column are detachably installed on a supporting base, the supporting base is partially embedded in the ground, and a supporting cross beam is horizontally arranged between the first stand column and the second stand column. A top supporting piece perpendicular to the supporting cross beam is arranged above the supporting cross beam. An adjusting assembly used for driving the top supporting piece to move up and down relative to the supporting cross beam is further arranged on the installation cross beam. The simple greenho