The invention discloses a safety car lamp control device which comprises a controller connected with a plurality of caution lamps. The controller comprises a casing, a sliding block and a switching rod body, wherein a sliding groove is arranged on the casing, the sliding block is arranged in the sliding groove, a mode assembly is installed in the casing, the switching rod body is pivoted on the sliding block, a function switching element and a caution assembly are arranged on the switching rod body, and the switching rod body, the sliding block, the function switching element and the caution assembly are respectively connected with the mode assembly. The safety car lamp control device enables the mode assembly to make different indication controls through switching cooperation of the sliding block, the switching rod body, the caution assembly and the function switching element to achieve various effects of different caution functions.