On the Method of Pisopolitus or Acetate
The ancient good-doers, who observe the changes of yin and yang, understand the principle of all things, and have also studied the method of Pisopolitus or Acetate.

If you want to get the delicacy of Pisopolitus, you should examine its materials carefully. When choosing materials, you must seek their purity, like the genus of gold quarrying, you must go to a secluded place in the mountains, and take them from their warm texture and pure color. If their quality is not good, the method is difficult to achieve.

As for the method of processing, there are also rules. Boil slowly with a gentle fire, so that the nature of the material gradually emerges, like the spinning of silkworms, without end. When cooking, you must observe carefully. The size of the fire and the length of time are all about success or failure. If the fire is large, the material will be burnt, and the properties will not be suitable; if the fire is small, the work will be difficult, and the effect will not be obvious.

If it is acetate method, it is different. A special container needs to be filled with the corresponding concoction, and the material needs to be immersed in it. The soaking time varies depending on the material, or three or five days, so that the concoction and the material are fused. In the meantime, it needs to be turned frequently to make the juice evenly received, and then taken out to dry, and it will be a good product.

The method of pisopolido or acetate is not easy. The operator must be patient, such as a farmer's hard work, not violating the farming season, and taking care of it carefully, in order to obtain the essence of his law and use it for future generations, so as to benefit the diseases of the people and maintain good health.