The invention relates to the technical field of Chinese medicines, in particular to a pure Chinese medicinal preparation for treating pernicious vomiting. The pure Chinese medicinal preparation is prepared from the following Chinese herbal medicines in parts by weight: 10 to 30 parts of codonopsis pilosula, 10 to 30 parts of large-head atractylodes rhizome, 10 to 30 parts of poria, 10 to 30 parts of south dodder seed, 8 to 20 parts of pinellia tuber, 10 to 30 parts of dried orange peel, 10 to 30 parts of wrinkled gianthyssop herb, 15 to 35 parts of red ochre, 8 to 20 parts of costus root, 10 to 30 parts of bitter orange, 8 to 20 parts of amomum fruit, 10 to 30 parts of perilla, 10 to 30 parts of bamboo shavings and 5 to 10 parts of liquorice root; the pure Chinese medicinal preparation can be prepared into pharmaceutically acceptable medicines such as pills, powder, decoction and the like; the pure Chinese medicinal preparation is prepared from pure Chinese medicines, and can tonify the spleen, soothe the liver, promote the circulation of qi, harmonize the stomach, lower adverse qi, control nausea and vomiting, tonify the kidney and prevent miscarriage; the pure Chinese medicinal preparation is suitable for symptoms of early trimester of pregnancy, nausea vomiting, non-eating, vomiting immediately after ingestion, acid water or bitter water vomiting, dislike of smelling greasy food, tastelessness, drool vomiting, dizziness, fatigue of a body, flatulence, thoracic fullness, hypochondriac pain and the like; and the Chinese medicinal preparation is small in dosage, good in curative effect, quick in response and obvious in pharmacological effect, and does not have toxic or side effects.