Sudden twists and turns should be avoided in the laying of PVC lay flat hose in order to prevent the reduction of water pressure resistance, and torsion should be avoided to prevent the Inner buckle PVC lay flat hose interface from disengaging due to the rotation of PVC lay flat hose after water filling. After filling with water, dragging on the ground should be avoided. When changing the position, lifting and moving should be done as far as possible to reduce the wear of PVC lay flat hose and the ground. Contact with corrosive chemicals such as oil, acid and alkali should be avoided. Cotton or linen PVC lay flat hose should be used in areas where there may be flame or strong radiation heat. After use, it should be cleaned. PVC flat hose without lining should be hung and dried, and the coil should be kept in a cool and dry place. If damaged holes are found in the process of use, wrap them tightly with PVC lay flat hose wrapping cloth and repair or glue them as soon as possible afterwards. When a vehicle needs to pass through the PVC lay flat hose in the pavement, the PVC lay flat hose guard bridge should be placed in the passing part beforehand. Lining PVC lay flat hose should be used outside buildings in cold areas to avoid freezing of PVC lay flat hose. PVC lay flat hose needs to be cleaned after use, especially for PVC lay flat hose conveying foam. It must be carefully washed and better protected from PVC lay flat. In order to remove grease from PVC lay flat hose, warm water or soap can be used to wash it; for frozen PVC lay flat hose, melt it first and then wash it to dry, non-drying PVC lay flat hose should not be rolled up and stored. When laying PVC lay flat hose, it is necessary to avoid sharp objects and various oils; when laying PVC lay flat hose vertically to high places, it is necessary to use PVC lay flat hose to hook up; when laying PVC lay flat hose through the main road, it should be padded with Hose Bridge.