The invention relates to a disease preventing and curing medicinal mouth-muffle and a medicinal composite. The disease preventing and curing medicinal mouth-muffle (1) comprises a mouth-muffle body (2), one surface of the mouth-muffle body (2) is provided with an insert pocket (3), and a powder bag (4) which packages the medicinal composite is placed in the insert pocket (3). The medicinal composite comprises the following Chinese herbs by weight: 2.2 percent of chrysanthemum and muskiness, 4.2 percent of cinnamon, good ginger, long pepper, radix aconite, frankincense, myrrh and clove, 5.0 percent of vermilion, 6.4 percent of asarum, eaglewood, croton, resina draconis, early plum flowers and rhizoma ligustici wallichii and 7.6 percent of tooth soap, arsenic sulphide and brain sand. The disease preventing and curing medicinal mouth-muffle internally carries the medicinal composite which plays a role during the mouth-muffle wearing process, thereby having disease prevention and cure and being simple and direct and also effective in treatment.