The invention relates to a box sealing mechanism convenient to operate. The box sealing mechanism convenient to operate comprises a box sealing support. The box sealing support comprises two conveyingside frames. An auxiliary roller plate is arranged between the two conveying side frames, and guide wheels are arranged above the auxiliary roller plate. An upper box sealing device is arranged abovethe auxiliary roller plate, and a lower box sealing device is arranged in the middle of the auxiliary roller plate. The box sealing support comprises a fixing side plate. A telescopic moving mechanism is connected with the outer surface of the fixing side plate, an upper support is fixedly connected with the moving end of the telescopic moving mechanism, and the upper box sealing device is connected with the upper support. The upper support comprises a moving side frame. The telescopic moving mechanism comprises a first side column and a second side column. The box sealing mechanism convenient to operate is convenient to use and easy to operate, the height of the upper support is conveniently adjusted, and the stability of the upper support in the moving process is effectively improved. In addition, the box sealing mechanism convenient to operate is simple in structure, low in manufacturing cost and convenient to popularize and use.