In order to improve the deformity of the feet of lepers in the Chinese mainland (with nuns), this can also serve as a cure for ulcers in the feet. Casa Ricci Social Services, in cooperation with Fr. Roberto Tonetto of Ya-Xi Marynoll center, designed a special protective footwear in 2007, contacted a company for manufacturing, and distributed to the center of the relevant patients until now. Expenditure so far is about 300,000 yuan, covering 6 provinces, the number of shoes over 6000 pairs, serving about 500 to 600 patients. This shoe is constantly improving, so that patients can fell more confortable.