Abstract: [Problem] Provided is an inhalation aid with which a patient may arbitrarily adjust the drug inhalation timing with ease without relying on valve structure. [Solution] An inhalation aid 100 mounted on a spout port of an atomization type inhaler comprises a cylindrical main body part 10, an introduction port 20 which is provided on one end side of the main body part 10 and introduces, into the main body part 10, drug particles dispersed from the spout port of the inhaler, a wall surface part 30 provided on the other end side of the main body part 10 and at the position opposed to the introduction port 20, and an inhalation port 40 which is provided on a side surface of the main body part 10 and from which the drug particles dispersed into the main body part 10 are inhaled, wherein the inhalation port 40 extends along the tangent line direction of the main body part 10.