Massager

The invention provides a massager which comprises a shell, containing spaces which are isolated from each other or partially communicated with each other are formed on at least two opposite side faces of the shell, and each containing space has a depth and is communicated with the side face of the shell; an assembly chamber is formed in the shell; the assembling chamber is positioned on one side of each accommodating space; the driving device is arranged in the assembling chamber; the at least one massage piece is connected with the driving device and is driven by the driving device to swing; the massage piece comprises two swing arms and elastic pieces wrapping the free ends of the swing arms, and the free ends of the swing arms are located in containing spaces oppositely formed in the shell. When the driving device drives the massage pieces to swing, the two swing arms on the same massage piece swing in the same direction or back to back so as to move between the containing space and the outside of the shel