The invention discloses a numerical control bottle cap production line, which comprises the following processes of: an inner plug feeding unit, an inner assembly unit, a bottle neck feeding unit, a bottle neck assembly unit, a middle sleeve feeding unit, a middle sleeve assembly unit, a middle sleeve stamping unit, a manipulator pick-up unit, an inner cap feeding unit, an inner cap assembly unit,an inner cap screwing unit, a top cap feeding unit and the top cap assembly unit, wherein the inner plug feeding unit is connected with the inner plug assembly unit by an inner plug vibrating plate slideway; the bottle neck feeding unit is connected with the bottle neck assembly unit by a bottle neck slideway and a bottle neck conveying belt; the middle sleeve feeding unit is connected with the middle sleeve assembly unit by a slideway and a middle sleeve conveying belt; the middle sleeve stamping unit is connected with the middle sleeve assembly unit and the manipulator pick-up unit; and theinner cap feeding unit is connected with the inner cap assembly unit by an inner cap conveying belt. In the numerical control bottle cap production line, an integral bottle cap is assembled on the automatic production line to fulfill the aims of improving the production efficiency and the quality of products.