A shower assembly, comprising: a spray pipeline, in which a water supply passage and an installation cavity are arranged, a communication port being arranged on a side wall of the installation cavity and for communicating the water supply passage with the installation cavity; the shower assembly further comprising: an installation member with a first water passage, which is installed in the installation cavity, a water inlet of the first water passage being communicated with the communication port and being arranged higher than the water supply passage, so that residual water in the water supply passage is cut off at the water inlet of the first water passage and cannot flow into a shower head along the first water passage; and the shower head installed on the installation cavity, a water outlet of the first water passage being communicated with the shower head; wherein a second water passage is arranged between the water outlet of the first water passage and the shower head, a sealing member is arranged in the second water passage, and the sealing member is capable of opening the second water passage under the action of water pressure and is capable of closing the second water passage under the action of its own resilience. a spray pipeline, in which a water supply passage and an installation cavity are arranged, a communication port being arranged on a side wall of the installation cavity and for communicating the water supply passage with the installation cavity; the shower assembly further comprising: an installation member with a first water passage, which is installed in the installation cavity, a water inlet of the first water passage being communicated with the communication port and being arranged higher than the water supply passage, so that residual water in the water supply passage is cut off at the water inlet of the first water passage and cannot flow into a shower head along the first water passage; and the shower head installed on the installation cavity, a water outlet of the first water passage being communicated with the shower head; wherein a second water passage is arranged between the water outlet of the first water passage and the shower head, a sealing member is arranged in the second water passage, and the sealing member is capable of opening the second water passage under the action of water pressure and is capable of closing the second water passage under the action of its own resilience. an installation member with a first water passage, which is installed in the installation cavity, a water inlet of the first water passage being communicated with the communication port and being arranged higher than the water supply passage, so that residual water in the water supply passage is cut off at the water inlet of the first water passage and cannot flow into a shower head along the first water passage; and the shower head installed on the installation cavity, a water outlet of the first water passage being communicated with the shower head; wherein a second water passage is arranged between the water outlet of the first water passage and the shower head, a sealing member is arranged in the second water passage, and the sealing member is capable of opening the second water passage under the action of water pressure and is capable of closing the second water passage under the action of its own resilience.