The invention relates to the field of smart homes, in particular to an Internet-based smart home device. The smart home device comprises a box body with supporting trundles at the bottom and a fixed cylinder coaxially and fixedly arranged in an inner cavity of the upper part of the box body, wherein the fixed cylinder is provided with an induced draft part for drainage, and an adsorption and purification component for adsorbing and purifying the airflow flowing in the fixed cylinder is further arranged in the fixed cylinder; an induced draft groove is coaxially and fixedly arranged in an innercavity of the lower part of the box body, a filter screen is fixedly arranged at an opening in the top of the induced draft groove, a hollow rotary shaft coaxially and rotationally penetrates throughthe filter screen, and the top of the hollow rotary shaft rotationally communicates with the bottom end of the fixed cylinder through a rotary joint; and a draft hood is arranged at the bottom end ofthe hollow rotary shaft in the induced draft groove. According to the smart home device provided by the embodiment of the invention, particles in the air can be effectively removed and collected, thedevice has the advantages of being simple in structure and strong in operability, the filter screen is easy to clean, and the device is suitable for popularization and application.