Baby bottle sterilization with ultraviolet sterilization or steam are better, both have their advantages and disadvantages, it is recommended to choose according to the actual conditions. 1. Ultraviolet sterilization (1) Advantages: Because ultraviolet sterilization does not need to add water and is more convenient to use, but also to avoid limescale residue, more conducive to preservation. (2) Disadvantages: bottles in the ultraviolet disinfection, because the irradiation energy is low and weak penetration, can only kill the irradiated microorganisms, which may lead to incomplete disinfection of bottles; in addition, if the ultraviolet light directly irradiated skin, may damage the human skin. 2. Steam sterilization (1) Advantages: high-temperature steam sterilization of bottles is more comprehensive, while the steam can promote the dissolution of milk scale in the bottle, off, disinfection range is more extensive. (2) Disadvantages: This method requires a high level of material for bottles, and bottles made of materials that are not resistant to high temperatures, such as plastic bottles, are not suitable for steam sterilization. It can be seen that you can generally choose the appropriate disinfection method according to the actual situation, should be timely and timely cleaning or disinfection, so as to avoid bacterial growth and induce diseases in infants and young children.