To provide a collecting device, capable of collecting cut hair, in haircutting with scissors, regardless of the size or shape of the scissors without using a different power source or without causing energy consumption or noise problem.

The air collecting device for scissors includes a collection unit 100 opened at one side to collect the hair falling by being cut with scissors; a set of support units 101 which support the shape of the opened side of the collection unit 100 so that the opened side can be adhered along the edges of the scissors; and a plurality of adhesive sections 102 formed along the support sections 101 to adhere the collection unit 100 to the edges of the scissors.