The utility model discloses a constructed wetland matrix sample normal position is collected and parameter monitoring devices, it comprises urceolus, water distribution hole, pedestal sleeve, base fixed screw, nylon filling bag, and pedestal sleeve is fixed in the urceolus bottom through the base fixed screw, and pedestal sleeve is the bottom of device, and nylon filling bag places among the urceolus, is equipped with the water distribution hole on urceolus (1). Which comprises a bottle body and a bottle cap, the wetland operation conditions is mastered to the accurate matrix sample of collecting the different degree of depth, has prolonged constructed wetland life.