The invention provides a preparation method of a dreg-free hot pot stock. The method comprises the following steps: preparing materials, namely
processing chili powder, spice and Chinese prickly ash for later use; extracting, namely heating mixed
vegetable oil, and respectively adding the chilli
powder, bitter spice, fragrant spice and the Chinese prickly ash step by step, removing dregs and reserving oil; frying, namely heating the oil, sequentially adding green onion, ginger, garlic, hot and spicy sauce, thick broad-bean sauce, fermented soya beans, Chinese
white spirit and rock candy, finally separating out oil to form dreg-free hot pot
red oil, and reserving dreg-free hot pot condiments; decocting, namely decocting a soup-stock, boiling, adding the dreg-free hot pot condiments, adding salt, chicken essence and Chinese
white spirit, removing the turbid part on a bottom layer, and reserving the dreg-free hot pot stock; and finally preparing the hot pot condiments. By virtue of the mode of the dreg-free hot pot
red oil and the dreg-free hot pot stock, the more and more fragrant effect is fully finished by pungent, spicy and fragrant tastes of the dreg-free hot pot
red oil, comprehensive fragrances of the green onion, ginger and garlic in the dreg-free hot pot stock, and the sauce flavors of thick broad-bean sauce and fermented soya beans.