A coffin is a burial tool for containing the dead body, and sometimes also includes a coffin outside the coffin. Coffins are also commonly called "ten-leaf tiles" or "ten-leaf tiles" in rural areas, and are generally made of ten-leaf wood. Made of ten pages of wood, it has three pages on the top, three pages on the bottom, two pages on each side, and 5-11 pieces of other valuable wood in the front and back. Nowadays, coffins are generally used in rural areas, because burials are still practiced in rural areas. In general large cities, most cremations are carried out. Burials are not advocated because there is not so much land in the city. For cremation, you only need to use A small urn does not take up much space. Today's cemeteries are filled with tombstones that are densely packed together and occupy a relatively small area.

Of course, there are not only wooden coffins, but also copper and stone coffins. Our great leader Chairman Mao used another material - crystal. Of course, this is also to allow future generations to better admire, commemorate, and remember our revolutionary leader and that period of history. There is also what we call ice coffins, which means that the dead are put in and frozen. However, these coffins are rarely used nowadays, and basically only the rich use them.

The shape of the coffin is mainly divided into two types, the tilted shape and the straight shape. Straight-shaped coffins use less material than curved-shaped coffins. The warped head shape requires more wood. It requires using large pieces of wood to plan out the curved shape. So sometimes five-inch thick boards are used. In the selection of wood for coffins, these three types of wood are generally used, the best is sandalwood, and the medium is nanmu. However, the prices of the above two types are too expensive, so most people will choose fir. So why are these woods chosen as coffins? In fact, it is because these three types of wood have strong anti-corrosion capabilities.

Since the Zhou Dynasty, wooden coffins have been used as the main burial tools, and based on the Shang Dynasty, they have become more complete and have a strict coffin system. Documents record that the coffin system in the Zhou Dynasty had a strict hierarchy. In any case, although things like coffins sometimes make people feel scared, some of the knowledge points they contain are somewhat interesting.