If you want to behead Dishui Guanyin, you should take it out of the flowerpot first. Before taking it out, loosen the flower soil around it to take out the plant. After removal, all stems and leaves with growth problems on the plant shall be cut off. Then clean the mud on the bottom of it and cut off the rotten roots on it.
Prepare a small amount of carbendazim, pour it into the basin, pour some water into it, and dilute it. Put the plant in it and soak for about 20 minutes. Make sure that all of its cuts are in solution. Then take it out, put it in a place without strong light and relative ventilation, and wait for it to dry.
The new soft soil is made up of peat soil and coarse sand and put into a deep flowerpot. The plant is then planted so that all its roots are below the surface of the soil. After that, compact the surface of the flower soil, and then put it in a warm place without strong sunlight, and wait for it to recover.