500g oxtail, 1 Insam, 5g ginkgo nuts, 3 chestnuts, 20g carrot, 5g thick soy sauce, 5g salt, 5g beef powder, 1g welsh, 1g garlic, 3g powdered pepper, 2g crystal sugar.

Wash oxtail cleanly and boil it completely for 3 hours. Mince welsh and garlic.  Cut carrot to the shape of salient point. Add Insam, ginkgo nut, chestnut, carrot, salt and chicken powder, welsh garlic, thick soy sauce, dense solution made of crystal sugar into oxtail soup and bring to a boil. When it has been boiled thick nearly, add starch into it and boil it a little to make thick broth. Serve it in a bowl.

It is effective to treat the lumbago and arthritis.