1, method: cut the herbs into uniform small slices or finely chopped, add an appropriate amount of medicinal liquid, and rub quickly with fingers, wooden sticks, stone sticks and other tools until the strips are formed.

2, liquid: the preparation and amount of liquid used should be based on the specific herbs and prescriptions. The amount of water used should be sufficient to moisten the herbs and ensure that the liquid can persist during the rubbing process. Rubbing is a traditional method of Chinese medicine concoction, and its implementation standard is usually based on the relevant provisions in the Chinese People's **** and National Pharmacopoeia.