The invention relates to the field of a medical device, and particularly relates to a self-made iodine cotton swab for facilitating self-taking. The self-made iodine cotton swab comprises an anti-dustbox, a first rotary shaft, a U-shaped frame, a moving device, a rotating device and a storage device; the left end of the anti-dust box is provided with a first through hole, the right end is provided with a first through hole, and the upper end of a first through slot is provided with a first groove; the front end is provided with a square box body of the sixth through hole, the inner part of the anti-dust box is fixedly connected with the U-shaped frame, and the left end of the U-shaped frame is provided with a second through hole, the right end is in parallel to a thread hole; the right end of the thread hole is provided with the storage device, and the storage device is composed of a cotton swab drum, a buckle slot, a second slide block and a cotton swab bag. The self-made iodine cotton swab is reasonable in design; through cooperation of the rotating device, the moving device, a first moving arm, a second moving arm and the storage device, the ordinary cotton swab can be changedto be iodine cotton swab by rotating the handle only, and the iodine cotton swab has automatic push-out function and good popularization prospect.