Cup with interlayer

The utility model relates to a cup with an interlayer. The cup comprises a cup lid, a cup body, a partition plate and a control device. The partition plate is arranged in the cup body and hermetically connected with the cup body and comprises a main plate body and an auxiliary plate body, through holes are formed in the main plate body and the auxiliary plate body, the auxiliary plate body can rotate relative to the main plate body, a shaft sleeve is arranged at the center of the auxiliary plate body, the control device is connected into the shaft sleeve in an inserted manner and comprises a control rod, a key is arranged on one side of the shaft sleeve, a key groove is formed in one side of the control rod, the bottom end of the control rod penetrates the bottom of the cup body and is hinged to a handle, a compression spring is arranged between the handle and the cup body, the length of the compression spring in a normal state is not smaller than the distance between the top of the control rod and the top end of the key, the cup is divided into an upper water containing space and a lower water containing space by the partition plate and can contain two beverages, the auxiliary plate body is used for adjusting water leakage of the partition plate, the control device is used for operating the auxiliary plate body, and a common cup and a double-cavity cup are switched. The water intake of people can be controlled when people encounter water shortage in travel.