牛是农业社会里典型的劳动资料。历史上的牛多以耕牛的姿态出现,因为要按照农人的要求从事耕作,就难免处于被驱赶、牵引的状态。所以,能入画的牛,总少不了戴着穿过鼻孔的缰绳,而画中人的手里,也总少不了赶牛的皮鞭和枯树枝等。就是刻意美化牛们的丹青佳作,也大多如此。在唐代韩混著名的《五牛图》中,就有一头脸上写满无奈的牛,其鼻孔里穿着银白色的圆形金属环,在金属环上,拴着牵牛的缰绳。宋代佚名的《秋溪放牧图》,画的是一位头戴斗笠的农人用力拉着一头牛 Cattle are typical types of labor information in agricultural societies. The history of cattle and more cattle cattle posture, because in accordance with the requirements of farmers engaged in farming, it will inevitably be driven off, traction state. Therefore, can enter the picture of the cow, always wearing the bridle through the nostrils, but in the hands of the artist, but also ultimately, cattle whip and dead branches and so on. Is deliberately beautified cattle Dan masterpiece, but also most of the case. In the famous “Five Beef Cattle” in the Tang Dynasty, there was a cow full of helplessness, wearing a silver-white round metal ring in his nostrils, and a bridle on the metal ring. The anonymous “autumn Creek grazing map” in the Song dynasty painted a farmer’s hat with a hat