A touch control component and a touch control display device are provided. The present disclosure can improve touch control sensitivity of the touch control component by at least one second branch electrode surrounding at least one first branch electrode corresponding thereto, by at least one third branch electrode adjacent to the at least one first branch electrode surrounding the at least one second branch electrode positioned between the at least one first branch electrode and the at least one third branch electrode, and by two adjacent third branch electrodes respectively positioned in two of touch control units adjacent to each other in a first direction being connected to each other on one end away from the third branch electrodes connected to a first main stem electrode.