The life of office workers is relatively boring and single and stressful. Office bonsai, not only add green, decorate the environment, but also can be happy mood, relieve fatigue. The design is aimed at the situation of weak light, lack of water, and few people take good care of the bonsai. According to the lighting method of the sun's motion trajectory, it is designed to increase the light. The front observation port can automatically raise and lower the reasonable position according to the height of vegetation. The rear moisture adsorption device can absorb moisture from the air to provide water for plants and can check the health status of plants at any time through intelligent links.