Filter element assembly and water purifying device

The utility model discloses a filter element assembly and a water purifying device. The filter element assembly comprises a shell, a supporting assembly, a first filter piece and a second filter piece. The shell is provided with a containing cavity, a first water inlet, a first water outlet, a second water inlet and a second water outlet, the supporting assembly is arranged in the containing cavity and abuts against the inner wall of the shell for sealing so that the inner wall of the shell can be at least divided into a first inner wall and a second inner wall, a first cavity is formed between the supporting assembly and the first inner wall of the shell, and a second cavity is formed between the supporting assembly and the second inner wall of the shell; the first filtering piece is arranged in the first cavity; and the second filtering piece is arranged in the second cavity. According to the utility model, the problem of low volume occupancy of the filter element in the filter element assembly in the prior art can be solved, so that the filtering effect of the filter element assembly is improved.