The invention discloses a water shield beverage. The water shield beverage is prepared from components in parts by weight as follows: 50-90 parts of purified water, 23-56 parts of original water shield juice, 4-7 parts of monocrystal rock sugar, 0.04-0.02 parts of sodium hexametaphosphate and 0.1-0.6 parts of potassium sorbate / EDTA (ethylene diamine tetraacetic acid)-2Na, wherein a preparation method of the original water shield juice comprises steps as follows: fresh water shields are collected, rinsed with clean water, sorted and cut into uniform particles, the particles are subjected to instantaneous sterilization at the high temperature of 100-110 DEG C, sterilized juice is subjected to heat preservation for 5-10 min at the temperature of 75-85 DEG C, and the original water shield juice is obtained. The produced water shield beverage is all natural and additive-free, maintains natural activity of the water shields to the greatest extent, is rich in nutrients such as collagen, active polysaccharides, cellulose, flavone, vitamins, mineral substances and the like, and has higher pharmaceutical value and nutritive value. Besides, the water shield beverage contains water shield particles, tastes better and can be better accepted by mass consumers.