Abstract: OBJECTIVE To further improve the efficiency of the drugs automatic request module and reduce the number of rejected drugs after request and the number of urging drugs during distribution process. METHODS Analyzed the shortcomings of the old drug automatic request module first, then modified the calculation formula of the number of drugs requested, and added the medicine request window according to the warning inventory and the priority out of the library window for the shortage of drugs. RESULTS Compared with the previous module, the number of rejected drugs dropped from 5.70±1.89 to 1.10±0.74 in the outpatient pharmacy, and it dropped from 1.90±0.99 to 0.30±0.48 in the hospital pharmacy. The number of urging drugs dropped from 1.50±1.08 to 0.20±0.42 in the outpatient pharmacy, and it dropped from 0.40±0.52 to 0 in the hospital pharmacy. The score of pharmacy's satisfaction with the drugs automatic request module increased from 85.0±3.39 to 96.8±2.39 in the outpatient pharmacy, and it increased from 85.2±6.38 to 97.6±2.30 in the hospital pharmacy. CONCLUSION The improvement of the drugs automatic request module can reduce the number of rejected drugs and the number of urging drugs in the pharmacy effectively. It also can improve pharmacy's satisfaction with the drugs automatic request module.