The invention discloses a plant hollow capsule which comprises the following ingredients by mass: 20 to 30 parts of hydroxypropyl methyl cellulose, 20 to 30 parts of carrageenan, 10 to 25 parts of alginate, 10 to 25 parts of guar gum, 6 to 12 parts of algal polysaccharides, 2 to 6 parts of carboxyl methyl glucomannan, 1 to 3 parts of a soybean isolate protein, 2 to 6 parts of a malt extract, 1 to 4 parts of starch, 40 to 60 parts of ethyl alcohol, 2 to 5 parts of triethyl ester, 1 to 4 parts of glycerin, 0.5 to 1.5 parts of titanium dioxide, 2 to 5 parts of magnesium stearate, 0.1 to 0.5 part of ethyl hydroxybenzoate, 2 to 5 parts of methyl p-hydroxybenzoate, 0.2 to 0.6 part of methyl silicone oil, 1 to 3 parts of an edible pigment, and 70 to 100 parts of purified water. The plant hollow capsule can reduce environmental pollution, prevents and treats the transmission of diseases, and improves the capsule security.