PROPOLIS is a kind of sweet-smelling gelatinous solid substance which is collected by bee from plant spore or tree trunk and mixed with the secretion of its palatal gland and wax gland. It is a yellow-brown or black-brown sticky substance secreted by honeybee to repair their nests, and can be used as medicine. It has the function of moistening skin, reducing inflammation and pain. It can treat gastric ulcer, oral ulcer, burn and SCALD, skin splitting pain, radiation prevention and so on.