Oil paintings and their frames are made of many different materials. These consist of a paint layer on a support such as canvas,such as paint, canvas, wood, metal and plaster. Together they form a complex configuration that is easily damaged if knocked or dropped. So need we know how to care and conservation of it which depends on keeping it in a good surroundings and on advisable handling, storage and display. 

Keeping it in a good environment Sensible handling and storage and display

Try to avoid hanging over direct heat or moist  sources,Avoid hanging over or next to outdoor vents, or on dank walls Try not to touch the facade of the painting, especially with your hands or make sure your hands are very clean and dry, or wear clean gloves Those can help your paintings enjoy a happier, longer life.

The frame is an significant part of most paintings too, providing protection as well as decoration, and is often the first point of contact when any damage occurs. So we aslo need to  realize it