The invention discloses royal jelly acid containing antibacterial biological dressings as well as a preparation method and application thereof. One of the antibacterial biological dressings comprises the following ingredients in percentage by weight: 0.01-20% of royal jelly acid, 0.01-1% of a stabilizer, 1-5% of chitosan, alginate, polyving akohol or collagen and the balance of a matrix, wherein the stabilizer is alkyl trimethyl ammonium salt, multi-alkyl dimethyl ammonium salt or a betaine-type surfactant. Through the combination of royal jelly acid with one or more of chitosan, alginate, polyving akohol and collagen, a series of the antibacterial biological dressings of the solution/solvent type, the gel type, the cream type, the dressing type, the powder type and the patch type are prepared, can be used for treating infectious wounds, surgical wounds, burn wounds, scald wounds and the like, and are good in antibacterial property and broad in application prospect. The antibacterial biological dressings are reasonable in formula and convenient to prepare, and can control wound infection, keep the wounds wet and promote wound healing. More than one hundred of clinical cases prove that the effective rate of the antibacterial biological dressings reaches 95% or above.