Objective To investigate the effects of Danzi Kangxi granule(DKG) on the content of water and hydroxyproline in cartilage of rabbits with knee osteoarthritis.Methods Rabbits were randomly divided into 6 groups,i.e.DKG high dose group(HDG),medium dose group(MDG),low dose group(LDG),modeling control group(MCG) and Bone-Strengthening Joint Pills group(BSJPG).Except the control group,all the rabbits were treated with 0.5 mL 4% papain injected into the left knee joints in the 1st,4th and 7th days in one week.Then,the cartilage water and ...