Carved with white jade, the object has a form of pig crouching on the ground with a relax posture. Decorated with protruding auspicious cloud motif of the Shang style. The carving is so elagant that its vivid design gives the impression that it is smiling.Additive crystal and ancient tool mark are seen. Jade pig first appeared in Liangshu Culture, the one showed here is a collection from Japan National Tokyo Museum. In the Shang Dynasty, various designs and sizes can be seen from various private collections. The Hongshan Culture pig dragon is believed an extension of the pig form. Jade pigs have transcended to later periods afterwards. In the Han Dynasty, the carving styles have been simplified to become a unique style called the Han eight cuts( 漢八刀).