Cup

The utility model discloses a cup which comprises a body, the top end of the body is in threaded connection with a cup opening cover and a connecting piece, and the connecting piece is provided with a water outlet communicated with an inner cavity of the body. An air pipe and a filter element which are communicated are arranged in an inner cavity of the body, a blocking piece is arranged at the top end of the air pipe, an exhaust hole is formed in the upper portion of the blocking piece, a circular ring is arranged on the outer wall of the connecting piece, a hanging rope is arranged on the circular ring, a water outlet cover is connected to a water outlet in a threaded mode, and a drinking cover is connected to the connecting piece in a threaded mode. When water is obliquely drunk, a small amount of water can be stored in the air pipe, the water remaining in the air pipe is discharged through the intercommunication device through the blocking piece, certainly, the air can be discharged through the intercommu