PVC lay flat hose is suitable for liquid and non-corrosive powder transportation. Contact with corrosive chemicals such as oil, acid and alkali should be avoided. The working pressure should be within the range specified in the PVC lay flat hose model. Avoid sudden bending during laying to avoid the ability to reduce water pressure. It is forbidden to delay the use of sharp objects in the process of using PVC lay flat hose in order to prevent strain wear and tear and to prevent normal use. It is forbidden to stretch PVC lay flat hose into V shape to avoid wearing and tearing of PVC lay flat hose. Hard weight should be avoided on PVC lay flat hose. When the vehicle needs to pass through the PVC lay flat hose when laying, the water bridge should be pre-installed in the passing part. After using PVC lay flat hose, it is necessary to air it in a cool place and roll it up to prolong its service life. PVC lay flat hose should be used outside cold buildings. They should be dried and dried before use to avoid freezing water. Heavy pressure, exposure, rain and snow should be avoided during transportation and storage of PVC lay flat hose. It should also block heat sources and corrosive substances. PVC lay flat hose pipes should be stored in dry, ventilated and cool warehouses with storage temperatures ranging from 0 to 35 degrees C and about 15 degrees C. PVC lay flat hose should also block heat sources and corrosive substances. The storage period is one year. The sensory function of PVC lay flat hose should not be reduced within six months from the date of production if the storage conditions meet the requirements. At this time, national inspection agencies should also test PVC lay flat hose.