Then the steps came:
1. Now turn off the main gate of your water pipe.
2. Remove the screw sealing device on the faucet with a prepared wrench (larger, so it is not too laborious).
You should be able to take out the whole thing at this time.
4. See if the sealing ring is damaged due to aging. At this time, you can find something with glue, like the glue of this sealing ring, and just make a sealing ring according to the gourd painting gourd ladle.
5. You can wear it backwards according to the initial steps.