The drug administration to special patients such as children, the elderly, and those with swallowing difficulties has always been a challenge in the medical field. And people's demand for personalized products is also constantly increasing. Therefore, the patient-centric formulation is urgently needed for those special patients, the formulation should cover the certain properties, such as taste masking, good patient compliance, and flexible dosage, ultimately improving the safety, effectiveness, and accessibility of drugs for those special patient population.