A developing apparatus including a developer carrying member, a developer layer regulating member and a flight developer regulating member, wherein the developer carrying member is provided in opposed relationship with an image bearing member and carries a developer thereon, and in an opposed portion between the image bearing member and the developer carrying member, an oscillating electric field is formed between the image bearing member and the developer carrying member, and the developer is caused to fly from the developer carrying member to the image bearing member, and the developer layer regulating member regulates a layer of developer on the developer carrying member, and the flight developer regulating member is mounted on the developer layer regulating member, and regulates an area in which the developer flies in the opposed portion.