The present invention provides ergostenol glycoside derivatives, method for preventing, treating, or alleviating dermatitis using the same. The present invention also provides a method for preparing the ergostenol and glycoside derivatives thereof. The ergostenol and the glycoside derivatives thereof according to the present invention suppress the production of chemokines increasing according to the skin inflammation stimulation and inhibit the activity of transcriptional factors controlling the expression of various inflammation mediators in the prevention and treatment of dermatitis.