The invention provides a Chinese medicinal composition for promoting mature of internal arteriovenous fistula and reducing complications, an application and a using method thereof. The Chinese medicinal composition comprises a component A and a component B, wherein the component A is composed of rheum officinale, mirabilite, borneol and paris polyphylla, and the component B is composed of ligusticum wallichii, Chinese angelica, borneol and leech. The Chinese medicinal composition is prepared by adopting the following steps: baking and crushing the component A, and screening through a 100-mesh screen; gradually adding water, and stirring to obtain a paste medicament; immersing the component B with water, decocting for three times, and filtering the filtrates of three times and concentrating to obtain an ointment medicament, wherein an interval is not needed in each time of decoction. The paste medicament is applied to the hand back each time before sleep, and is washed after wakeup in the morning three days before an operation; 2ml of the ointment medicament is applied to the affected part one time a day after suture is taken out after 7-10 days of the operation; 14 days is taken as a course of treatment, and 1-2 courses are used. The Chinese medicinal composition is convenient to obtain materials and easy to manufacture, is convenient to use, economical and practical, has the advantages of low cost, no toxicity or hazard, remarkable use effect and the like, and is mainly used for a patient who is subjected to uremia arteriovenous fistula plasty. The Chinese medicinal composition avoids the adverse response caused by internal administration, and plays an active and effective effect in the process of treating chronic renal failure.