The invention relates to the field of skin-protecting products, and particularly relates to camellia oil diaper rash cream for a baby and a preparation method thereof. The diaper rash cream is prepared from the following raw materials: camellia oil, calendula oil, tea tree oil, lemongrass essential oil, olive oil, an extracting solution A, an extracting solution B, beewax, aloe gel, glycerinum, zinc oxide and other ingredients, wherein the extracting solution A is prepared from symphytum officinale leaves, symphytum officinale roots, hypericum perforatum and herba portulacae; the extracting solution B is prepared from licorice roots, honeysuckles and fructus forsythia. The invention further provides a method for preparing the camellia oil diaper rash cream. The diaper rash cream is safe and reliable in use, does not have side effect, has functions of efficiently resisting and killing bacteria, bilaterally regulating immunity, maintaining immune, resisting oxidation, diminishing inflammation, accelerating body tissue repairing and the like, has relatively good effects for soothing, repairing and protecting diaper rash and other symptoms for baby hips.