The invention relates to new application of a 
traditional Chinese medicine, in particular to application of total 
glycoside of paeonia in preparation of a medicament for treating 
thyroid cancer and improving tumor radiotherapy 
synergy, and belongs to the technical field of traditional Chinese medicines. The invention relates to the application of total 
glycoside of paeonia in preparation of a medicament for treating 
thyroid cancer and improving tumor radiotherapy 
synergy. The total glucosides of paeonia can be used as an 
active ingredient, are added with pharmaceutically-acceptable pharmaceutical excipients or carriers, and are prepared into a preparation according to a method recorded in 
pharmacy. The total glycosides of paeonia of the invention can also be used as one of the active ingredients, also contain other medicines, are added with pharmaceutically-acceptable pharmaceutical excipients or carriers, and are prepared into a preparation according to the method recorded in 
pharmacy. Through research, the inventor discovers that: the total glucosides of paeonia have obvious functions of resisting 
thyroid cancer and enhancing 
iodine uptake of cancer cells, and can improve the sensitivity of radiotherapy, can be prepared into a medicament for treating 
thyroid cancer, and can be prepared into a medicament for improving tumor radiotherapy 
synergy.