A method for mobile illumination, comprising: performing (101; 201) lighting through a device for mobile illumination; during the lighting process, acquiring (102; 202) environmental information of an area to be traveled, wherein the environmental information comprises at least one of the following: a number of test signals reflected back among a designated number of test signals emitted, image data, and map data, and the area to be traveled is any area in front of the device for mobile illumination; and determining (103; 203) whether a potential safety hazard exists in the area to be traveled according to the environmental information; wherein before acquiring (102; 202) environmental information of an area to be traveled, the method further comprises: acquiring a current mode of the device for mobile illumination; and when the current mode indicates that the device for mobile illumination is used to illuminate the area to be traveled in a moving state, performing the step of acquiring environmental information of the area to be traveled, characterized in that the method further comprises: acquiring a current state and an irradiation angle of the device for mobile illumination, wherein the irradiation angle is an angle between illumination light of the device for mobile illumination and a reference plane; and when the current state is a moving state and the irradiation angle satisfies a preset angle range, determining that the current mode indicates that the device for mobile illumination is used to illuminate the area to be traveled in a moving state. performing (101; 201) lighting through a device for mobile illumination; during the lighting process, acquiring (102; 202) environmental information of an area to be traveled, wherein the environmental information comprises at least one of the following: a number of test signals reflected back among a designated number of test signals emitted, image data, and map data, and the area to be traveled is any area in front of the device for mobile illumination; and determining (103; 203) whether a potential safety hazard exists in the area to be traveled according to the environmental information; wherein before acquiring (102; 202) environmental information of an area to be traveled, the method further comprises: acquiring a current mode of the device for mobile illumination; and when the current mode indicates that the device for mobile illumination is used to illuminate the area to be traveled in a moving state, performing the step of acquiring environmental information of the area to be traveled, acquiring a current mode of the device for mobile illumination; and when the current mode indicates that the device for mobile illumination is used to illuminate the area to be traveled in a moving state, performing the step of acquiring environmental information of the area to be traveled, characterized in that the method further comprises: acquiring a current state and an irradiation angle of the device for mobile illumination, wherein the irradiation angle is an angle between illumination light of the device for mobile illumination and a reference plane; and when the current state is a moving state and the irradiation angle satisfies a preset angle range, determining that the current mode indicates that the device for mobile illumination is used to illuminate the area to be traveled in a moving state. acquiring a current state and an irradiation angle of the device for mobile illumination, wherein the irradiation angle is an angle between illumination light of the device for mobile illumination and a reference plane; and when the current state is a moving state and the irradiation angle satisfies a preset angle range, determining that the current mode indicates that the device for mobile illumination is used to illuminate the area to be traveled in a moving state.