The invention relates to the field of traditional Chinese medicines, in particular to a traditional Chinese medicine composition with a curative effect and high safety and without toxic and side effects for treating liver and kidney deficiency type Parkinson's disease and a preparation method thereof. The preparation method includes the steps: red ginseng, radix fici simplicissimae, pubescent holly roots, philippine flemingia roots, fried immature bitter oranges, caulis tinosporae sinensis, medicinal cyathula roots, cortex cinnamomi and radix bupleuri are adopted and respectively comminuted with a grinder, sieved, evenly stirred after mixed to obtain mixed medicine powder, and according to a conventional process, granules, capsules, tablets or pills are prepared; or water is added into themedicinal materials, soaking, decocting and filtering are conducted to obtain first-time liquid medicine, water is added into dregs of a decoction, decocting and filtering are conducted to obtain second-time liquid medicine, the first-time liquid medicine and the second-time liquid medicine are combined, filtered, sterilized and sub-packaged to obtain a decoction. The effects of combining deficiency and excess, considering both symptoms and root causes, treating severe and mild symptoms and regulating the interior and exterior are achieved, natural botanical medicines with the effects of tonifying the liver and kidney, calming endogenous wind, reducing phlegm and stopping tremor are screened, and thus the traditional Chinese medicine composition is obtained.