In the era of integrating the Internet of Things into people's lives,the protection of one's own belongings has become a topic of increasing concern for the people.However,the widely used professional monitoring currently cannot meet people's needs.Therefore,a home intelligent monitoring system based on ESP32 is designed,which adopts low-power MQTT protocol wireless communication.By controlling the intelligent monitoring networking and taking photos through the upper computer,the monitoring work can be intelligentized,which can bring convenience to people's lives and has a good development prospect.