Packing and packed tower

According to the packing and the packed tower provided by the utility model, the packing is a sheet-shaped body with an S-shaped side surface, the packing comprises an upper part, a middle part and a lower part, the included angle between the middle part of the packing and the vertical direction is 30 degrees or 45 degrees, the upper edge of the upper part of the packing and the lower edge of the lower part of the packing are respectively in a fence shape, and in addition, the lower edge of the lower part of the packing is in a fence shape. The utility model further provides a packed tower which comprises a tower body, a pre-distribution device and at least two packing units are sequentially arranged in the tower body from top to bottom, a liquid collection and redistribution device is arranged between every two adjacent packing units, each packing unit comprises a groove type liquid distribution device and a packing pressing device, and the groove type liquid distribution devices are communicated with the pa