The invention provides a freeze-dried tear stain-removing staple food for pet cats, which comprises the following components in 100 parts by weight: 70-90 parts by weight of a main material, 2-5 parts by weight of cellulose, 1-5 parts by weight of vegetable oil, 1-10 parts by weight of krill oil, 0.5-5 parts by weight of calendula, 0.15-5.5 parts by weight of a plant extract, 0.01-0.5 part by weight of haematococcus pluvialis and the balance of an additive. The plant extract comprises a honeysuckle flower extract, a semen plantaginis extract, a chrysanthemum flower extract, a liquorice root extract, a cranberry extract, a Vaccinium vitis-idaea extract, a green tea extract, a ginkgo leaf extract and a grape seed extract. Through cooperation of various anti-inflammatory and anti-oxidation substances, the anti-oxidation substances can relieve stress of cat eyes of pets, reproduce bacteria around eyes, inhibit inflammation, scavenge free radicals and reduce tear discharge of pet cats. Meanwhile, the liquorice root extract has the effects of expelling phlegm to arrest coughing and clearing away heat and toxic materials, is beneficial to dredging nasolacrimal ducts of the pet cats, and fundamentally reduces the production of tears, thereby achieving the purpose of reducing tear stains.