用地坑造型，模料由蜡和牛油配制，造型材料用石灰三合土和炭末泥，所用蜡料和铜料的比为一比十。金属液通过槽道浇注。对于批量大的器件，为提高工效，先把蜡片在样板上压印出花纹，再拼接成模。《宣德鼎彝谱》载明代铸宣德炉用黄蜡作模坯。有些鼎、炉需要量大，当已应用此法。大量史实表明，失蜡法在中国持续不断地应用，至近代广泛流传于北京、山西、内蒙古、江苏、广东、云南、青海、西藏等省区，佛山、苏州等地现仍用上述传统技法制作艺术铸件。
The pit material is made of wax and butter. The molding material is made of lime and soil. The ratio of wax to copper is ten. The metal liquid is poured through the channel. For large batch devices, in order to improve the efficiency, the wax pattern is printed on the pattern and stitched into a mold. The "Xuan De Yi Yi" spectrum shows that the "Xuan de" stove is made of yellow wax. Some stoves and stoves need large quantities, and this method has been applied. A large number of historical facts show that the wax loss method has been used continuously in China, and it has been widely spread in Beijing, Shanxi, Inner Mongolia, Jiangsu, Guangdong, Yunnan, Qinghai, Tibet and other provinces and regions in modern times. The art castings are still used in Foshan, Suzhou and other places.