To provide a fixed amount injection type aerosol product for toilet which has a small injection sound so that other people do not notice the use when it is used in a toilet cubicle and the like, and a use method of a fixed amount injection type aerosol product.SOLUTION: A fixed amount injection type aerosol product for toilet includes: an aerosol container in which an aerosol composition containing an undiluted solution and propellant is filled; and an aerosol valve for fixed amount injection mounted on the aerosol container. The injection amount for one time is 0.2-0.4 mL, and an equivalent noise level of an injection sound by an A characteristic in a normal noise meter for 10 seconds is equal to or less than 62 dB.SELECTED DRAWING: None
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