Disclosed are a Weissella cibaria GSKM06 strain and the use thereof. The strain is safe because it has no toxicity to the human body and has excellent physiological activities such as suppression of inflammatory reactions as well as immunomodulatory effects, thus being useful as a substance to treat immune hypersensitivity (allergic diseases such as skin, asthma and rhinitis), normalize immunity, and prevent, ameliorate or treat inflammatory diseases.