The invention relates to a fishbowl control system with sterilization, osmosis, feeding and cleaning functions, and belongs to the technical field of fishbowl wastewater utilization. The system comprises a fishbowl, a sterilization filter, a control chip, a feed placement box, an osmosis chamber, a cleaner and a standing chamber, wherein the sterilization filter is provided with a rough filtering layer, a fine filtering layer, an adsorption layer and a sterilization chamber; a stirrer is arranged on the inner side of the bottom of the sterilization chamber; an ultraviolet generator, an alum placement box and an ozone generator are arranged on the outer side of the sterilization chamber respectively; a discharge pipe electromagnetic valve, the stirrer, an ultraviolet electromagnetic switch, an ozone electromagnetic switch, an alum placement electromagnetic switch, a feed discharging electromagnetic switch, a rotary motor, a first water pump and a second water pump are connected to the control chip. The system can be used for filtering, sterilizing and disinfecting wastewater, and also has a water circulation automatic-control function and an automatic cleaning function, so that the aims of water recycling, automatic feeding and increasing of oxygen content of the water are fulfilled; moreover, the system is high in sterilization speed, stable in water salt content and convenient to use, and has a good sterilization effect.