The invention discloses an instant self-help beverage. The instant self-help beverage comprises a beverage bottle, and the beverage bottle comprises a bottle body, a bottle cap, a tearing ring, a containing cavity and a plastic blade. The bottom of the containing cavity is sealed by a sealing film, and a flange is arranged at the top of the containing cavity. A convex ring is integrally formed atthe position, close to a bottle mouth inner wall, of the flange, and a step matched with the flange is arranged on the bottle mouth inner wall. A concave ring matched with the convex ring is arrangedat the position, located above the step, of the bottle mouth inner wall. The upper end of the containing cavity is clamped on the bottle mouth inner wall, the lower end of a bottle mouth is sleeved with the tearing ring, and the upper end of the bottle mouth is sleeved with the bottle cap in a threaded manner. The plastic blade is formed at the top of the inner wall of the bottle cap in a vertically downward manner, the lower end of the plastic blade stretches into the containing cavity, and the bottom of the plastic blade is not in contact with the sealing film at the bottom of the containingcavity. According to the instant self-help beverage, by arranging the containing cavity, beverage powder and purified water are completely sealed and isolated, the beverage is not likely to go bad orgenerate harmful matter in the storage box transportation period, and the beverage can be stored for a long time without a preservative.