Three-in-one urine test board: morphine / methine / ketamine, three-in-one detection reagent, simultaneously detect the above three drugs; the judgment result within 3-8 minutes, the result after 10 minutes is invalid; One red quality control line (C); 2. Negative: Two red lines appear in the reaction area: QC line (C) and test line (T); 3. Invalid: The quality control line (C) does not appear in the reaction area , Need to retest;