A liquid crystal display (LCD) module is disclosed, which comprises: a thin film transistor (TFT) substrate and a color filter (CF) substrate disposed opposite to each other, and a liquid crystal layer sandwiched between the TFT substrate and the CF substrate. The TFT substrate comprises a plurality of wires including at least a first group of wires and a second group of wires, and the second group of wires comprises at least two wires. The CF substrate comprises first curing test units and second curing test units insulated from each other. The first curing test units are electrically connected with the first group of wires, and the second curing test units are electrically connected with all the wires of the second group of wires. A manufacturing method of an LCD module is further disclosed. The LCD module and the manufacturing method thereof of the present disclosure can avoid occurrence of arcing in the TFT substrate during the CVD process, thereby improving the product yield and reducing the manufacturing cost.