The utility model discloses an intelligent household control system based on wireless fidelity (WiFi) modules, which comprises a safety device, an appliance control device and a community service device which are connected with a household intelligent terminal through a wireless network respectively. The safety device comprises an infrared sensor and a network camera which are provided with the WiFi modules, the appliance control device comprises appliance equipment with the WiFi modules, such as air conditioners, televisions, electric lights, acoustics devices, humidifiers, water heaters, washing machines, water dispensers, electric cookers and microwave ovens and the like, and the community service device comprises an intelligent ammeter, a wireless long pass water meter and a wireless long pass gas meter which are respectively provided with the WiFi modules. The household intelligent terminal is a programmable logic controller (PLC) or a singlechip and further connected with a large screen in a displaying mode. The intelligent household control system based on the WiFi modules has the advantages of being simple and reliable in installation and debugging and low in cost and enabling intelligent household to be achieved.