The invention discloses 
lotus seed aloe purple potato chips for clearing away heart fire. The purple potato chips are prepared from the following raw materials in parts by weight: 200-250 parts of purple potatoes, 12-16 parts of fermented bean curd, 20-30 parts of chinese gooseberry, 13-19 parts of 
lotus seed core 
powder, 22.5-23 parts of aloe husks, 15-16 parts of chopped candied jujubes, 20-25 parts of pumpkin 
powder, 1.5-2.1 parts of 
ophiopogon roots, 1.2-2.3 parts of franchet peashrub flowers, 2-2.4 parts of 
oroxylum indicum, an appropriate amount of 
sodium alginate, an appropriate amount of 
carboxymethyl cellulose, an appropriate amount of 
pectin, an appropriate amount of a CaCl2 solution of 0.3%-0.4%, an appropriate amount of a 
citric acid solution of 0.1%-0.15%, an appropriate amount of 
lemon juice, an appropriate amount of salt and an appropriate amount of gourmet 
powder. The 
lotus seed aloe purple potato chips disclosed by the invention furthest preserve the 
nutrient value of the purple potatoes, anthocyan loss is small, the lotus seed aloe purple potato chips have clear grains, the mouth feel of the lotus seed aloe purple potato chips is crisp, and the lotus seed aloe purple potato chips are not greasy but have unique potato fragrance of the purple potatoes; besides, the food materials of the 
ophiopogon roots, the franchet peashrub flowers, the 
oroxylum indicum and the like are added, so that the purple potato chips disclosed by the invention have the health-care functions of nourishing lungs, 
smoothing livers, nourishing yin and promoting salivation.