A touch control unit, comprising: a plurality of touch sub-units, each of which comprising a sensor thin film transistor, TFT, a sensing capacitor (C S) a reading induction line (T read) and a memory capacitor (C st), capacitance of the memory capacitor (C st) being less than that of the sensing capacitor (C S); a gate electrode of the sensor TFT being connected with a gate line of an array substrate which comprises intersected gate lines (G n-1 to G n+1) and data lines (D m-1 to D m+1) thereon to define pixel areas; one of source and drain electrodes of the sensor TFT being connected with the reading induction line (T read); one end of the sensing capacitor (C S) being connected with the other one of the source and drain electrodes of the sensor TFT; one end of the memory capacitor (C st) being connected with the other one of the source and drain electrodes of the sensor TFT, and the other end being connected with a voltage stabilizing electrode, and wherein intersection of adjacent two gate lines (G n-1, G n) and adjacent two data lines (D m, D m+1) of the array substrate corresponds to one pixel area, and several pixel areas are correspondingly provided with one touch sub-unit; characterized in that in the touch sub-unit provided for the pixel areas corresponding to intersection of a gate line (G n1), a gate line (G n), a data line (D m), and a data line (D m1), the gate electrode of the sensor TFT thereof is connected with any one of the gate lines (G n1 to G n), wherein the gate line (G n1) and the gate line (G n) are gate lines that are not adjacent in their locations, and the data line (D m1) and the data line (D m) are data lines that are not adjacent in their locations, and wherein the voltage stabilizing electrode is a common electrode on the array substrate, or a common electrode on a color filter substrate. a plurality of touch sub-units, each of which comprising a sensor thin film transistor, TFT, a sensing capacitor (C S) a reading induction line (T read) and a memory capacitor (C st), capacitance of the memory capacitor (C st) being less than that of the sensing capacitor (C S); a gate electrode of the sensor TFT being connected with a gate line of an array substrate which comprises intersected gate lines (G n-1 to G n+1) and data lines (D m-1 to D m+1) thereon to define pixel areas; one of source and drain electrodes of the sensor TFT being connected with the reading induction line (T read); one end of the sensing capacitor (C S) being connected with the other one of the source and drain electrodes of the sensor TFT; one end of the memory capacitor (C st) being connected with the other one of the source and drain electrodes of the sensor TFT, and the other end being connected with a voltage stabilizing electrode, and wherein intersection of adjacent two gate lines (G n-1, G n) and adjacent two data lines (D m, D m+1) of the array substrate corresponds to one pixel area, and several pixel areas are correspondingly provided with one touch sub-unit; characterized in that in the touch sub-unit provided for the pixel areas corresponding to intersection of a gate line (G n1), a gate line (G n), a data line (D m), and a data line (D m1), the gate electrode of the sensor TFT thereof is connected with any one of the gate lines (G n1 to G n), wherein the gate line (G n1) and the gate line (G n) are gate lines that are not adjacent in their locations, and the data line (D m1) and the data line (D m) are data lines that are not adjacent in their locations, and wherein the voltage stabilizing electrode is a common electrode on the array substrate, or a common electrode on a color filter substrate.