OBJECTIVE:To analyse the situation and characteristics of use of herbal decoctions,so as to find out the rules of drug-use in treatment of tumour METHODS:By means of the software named "Management System for Chinese Medicinal Herb Pharmacy in Tumour Hospital",usage of the herbal decoctions in treating tumours in this hospital from March 1997 to February 2000 was comprehensively analyzed RESULTS:There were six main categories,271 kinds of herbs used in this hospital which accounted for 58 15% of the total categories The amount of consumption reached 188 135kg which amounted to 83 03% of total consumption Among the top 20 kinds of herb in consumption,the tonics accounted for about 1/3,of which 61 45% for invigorating qi and 29 95% for nourishing yin and the herbs for clearing away heat and toxic material amounted to 65 30% of the total consumption of those for clearing away heat CONCLUSION:The Chinese traditional medicine is one of the most effective methods in preventing and treating tumours The average dosage of the herbs mainly used in treating tumour was about 30g,which is much larger than the common dosage