The invention discloses a flexible micro-seepage electrode which comprises a flexible hose (21), a micro-seepage contact head (22) and a conductive lead (23), wherein the flexible hose (21) comprises a front end and a rear end; the front end is connected with the micro-seepage contact head (22); the rear end is connected with a liquid bag for storing a conducting solution; the flexible hose (21) is fully filled with the conducting solution; the conductive lead (23) is immersed in the conducting solution. The invention further discloses a scalp EEG collection system using the electrode, the formed flexible micro-seepage electrode and the scalp EEG collection system have good impedance characteristic and comfort degree, uncomfortableness caused by a good deal of conducting solution residual is avoided, and the experimental preparation time is further greatly reduced.