The portable multifunctional deep ultraviolet disinfection device includes a cabinet body, a cabinet door, and a disinfection room. The disinfection room is surrounded by the cabinet body and the cabinet door, and is provided between the disinfection room and the cabinet body or the cabinet door. A compartment, the compartment is provided with a circuit board and a power supply, the inner wall of the sterilization chamber is an aluminum plate or an aluminum-plated layer, and at least two surfaces of the inner wall are provided with a deep ultraviolet LED chip with a wavelength range of 250280nm, and the circuit The board is equipped with a control circuit. This utility model uses deep ultraviolet LED chips as the disinfection light source and is arranged around the disinfection room to achieve comprehensive disinfection. The sterilization time is short, and there is no need for high temperature cooperation, which greatly reduces the complexity of the device and greatly reduces the complexity of the device. Small size and weight, easy to carry out, can be used to sterilize baby bottles, tableware, fruits and vegetables, etc.
