A simple gate comprises gate piers, gate grooves, a gate plate and a pull bar, two lateral walls are disposed on the lower portions of the gate piers, the gate grooves are arranged on the two lateral walls, the gate plate is clamped into the gate grooves, the pull bar is disposed at the top of the gate plate, a gate beam is disposed at the tops of the gate piers, the gate beam is provided with a pin hole, seal strips are disposed on two sides and the lower edge of the gate plate, the gate plate and the seal strips are inset into the gate grooves, the pull bar is provided with a pull bar pin hole, the gate beam is provided with a beam pin hole, and a pin is inserted into the beam pin hole. By means of the technical scheme, the simple gate has the advantages that the simple gate is simple in manufacture, convenient in operation, openable (closable) at any time and highly practical, expenditure of purchasing a hoist and a screw can be saved, no special person is needed to open or close the gate, practicality is high, and water waste is avoided. The simple gate is simple in operation, and can be opened only for a few minutes by lifting up the pull bar, aligning the pin hole of the pull bar with the pin hole of the gate beam, and inserting the pin into the pin hole. The simple gate is low in cost, the expenditure of purchasing and mounting the hoist and the screw can be saved, and 450 RMB to 600 RMB can be saved even for hoists typed 1T and below.