Foam cleaner

The utility model relates to a foam cleaner, which comprises a storage bucket of cleaning agent and a recycle bucket of cleaning liquid, wherein the storage bucket of cleaning agent which is controlled by an import device of first high pressure air can selectively eject foam, the cleaning agent, or the high pressure air. The storage bucket of cleaning agent which is subjected from action of an import device of second high pressure air can generate attracting force, and through making use of a recycle pipeline of cleaning liquid which is connected with the recycle bucket, the external water liquid is absorbed into the bucket. Accordingly, according to cleaning requirements, the ejected foam, cleaning agent, or the high pressure air can be selected and consistency of the foam can be adjusted.