Disclosed is a flexible display device. The flexible display device includes a housing, a winding shaft, a flexible display panel, a supporting member, a separating member and a pressing member. The housing has an opening provided thereon. The winding shaft is rotatably provided in the housing. The flexible display panel has one end connected to the winding shaft and another opposite end extending out of the housing through the opening. The supporting member has one end connected to the winding shaft and another opposite end extending out of the housing through the opening. The separating member is provided on the housing to separate the flexible display panel and the supporting member partially. The pressing member is provided on the housing to connect the flexible display panel and the supporting member.