The utility model provides a multifunctional respiratory training device, which belongs to the technical field of respiratory training, and comprises a shell and a circulating ball blowing
assembly arranged in the shell, the circulating ball blowing
assembly comprises a first tube shell, a second tube shell, a sealing groove, a sealing block, an air tube, a ball body, a limiting shell, a pressing rod, a connecting rod, a separation tube, a spring, a limiting groove and a ball inlet hole, the first tube shell and the second tube shell are matched with each other, the eight sealing grooves are all formed in the outer wall of the first tube shell, and the eight sealing blocks are all fixedly arranged on the outer wall of the second tube shell. By means of the circulating ball inlet
assembly, when the ball is blown out of the air
pipe, the ball can enter the air
pipe again only by pressing a pressing rod, a continuous circulating process is formed, original monotonous
breathing training becomes more interactive and interesting, the use enthusiasm and participation degree of a user can be improved, and the use experience of the user is improved. The blowing frequency, speed and the like of the ball can be used as indexes to be compared with previous records of other people or a user.