Disclosed are an apparatus for cooling a server cabinet, a server cabinet apparatus, and an Internet data center. The apparatus includes: a bracket and a cooling device; where the bracket is positioned below one or a plurality of server cabinets, and the cooling device is positioned in the bracket, and cools the server cabinet on the bracket. The apparatus for cooling a server is positioned below one or a plurality of server cabinets, such that all the server cabinets in a large-scale Internet data center are effectively cooled, and in addition, resources are saved.
