The invention discloses a community security portable security device which comprises a storage shell, a top cover is arranged on the top of the storage shell, an inserting rod is fixedly connected with the middle of the bottom of the top cover, the outer wall of the inserting rod is connected with a fixing cylinder in a sleeved mode, and a first bearing seat is fixedly connected with the bottom of the fixing cylinder. A rotating shaft is fixedly connected with the inner wall of the first bearing seat, a monitoring component is fixedly connected with the bottom of the rotating shaft, a connecting shaft is fixedly connected with the bottom of the monitoring component, movable plates are fixedly connected to the two ends of the outer wall of one side of the connecting shaft, and a second bearing seat is fixedly connected with the bottom of the outer wall of the connecting shaft; and the bottom of the second bearing seat is fixedly connected with a limiting rod. According to the communitysecurity portable security device, monitoring processing is easy to conduct, an enclosure frame is located above the monitoring component, rainproof and dustproof processing is carried out on the monitoring component, the movable plate is driven by wind power to carry out rotation processing, and the monitoring component is driven to carry out rotation processing, so that the monitoring componenthas an angle adjustment function, and the monitoring range is enlarged.