The invention discloses a red date and purple glutinous rice cake capable of nourishing bones and diminishing inflammation, and a preparation method for the cake. The red date and purple glutinous rice cake is prepared from the following raw materials in parts by weight: 300-350 parts of purple glutinous rice, 100-120 parts of glutinous rice, 150-160 parts of rice, 50-55 parts of defatted soy protein, 30-35 parts of jujube mud, 8-9 parts of chitosan, 30-35 parts of dioscorea opposita Thunb., 10-12 parts of panax notoginseng, 20-23 parts of bergamot, 30-35 parts of Chinese wolfberry powder, 8-9 parts of cherokee rose fruits, 15-18 parts of condensed milk, 20-23 parts of bitter gourd powder, 100-120 parts of sake, 300-350 parts of bovine bone, 15-18 parts of lemon slices, and 30-35 parts of cooking wine. Effective components of the red date and purple glutinous rice cake capable of nourishing bones and diminishing inflammation have effects of diminishing inflammation, nourishing the stomach, whitening, removing pyrophlegm, dispersing the depressed liver-qi to alleviate pain, supplementing qi to nourish blood, and the like.