The present invention provides a manufacturing method of a novel toy bullet, wherein the method comprises the following steps: suction molding, heat sealing, jointing and breaking. The method of the invention has the advantages of unique novelty, simple operation, high manufacturing efficiency and no pollution. The novel toy bullet manufactured by the method comprises a bullet body which is a casing that is installed with an empty chamber at the inner closed part. The casing comprises a wall. The sound which is alike with the explosion of a bullet can be generated when the bullet is ruptured.Furthermore the smell or smoke is emitted outside by means of the impact force of the air in the casing. Simultaneously the sound and the visual effect of the true bullet are provided so that a playerhas an immersive feeling. The interest of the toy gun is effectively increased. Furthermore the bullet adopts the nontoxic filling gas and does not contain the component of gun powder. The safety intransporting and using is increased. The requirement for the safety and environment protection of the product by the world and the European union organization are satisfied. The novel bullet has the advantages of convenient installation and using, simple structure, easy manufacturing, and easy large-scale application generalization.