A circuit control system for power supply to the skin and an operating method therefor. The circuit control system comprises: an SOC (1), the SOC (1) comprising a processor (11) for performing calculation, a storage unit (12) for storing medication administration information, a memory unit (13) for performing data exchange and buffering, a communication unit (14) for implementing wireless communication, a function unit (15), and a power source unit (16); a power source module (2) connected to the power source unit (16); an operating module (3) connected to the processor (11); and a circuit control module comprising a constant current control unit (41), a positive electrode (42), and a negative electrode (43), the constant current control unit (41) being connected to the processor (11), and the positive electrode (42) and the negative electrode (43) being both connected to the constant current control unit (41). The circuit control system and the operating method therefor can implement a wireless communication function, have Internet extensibility, can store medication administration information and synchronize the medication administration information to a remote device and the Internet, and also have the functions of medication administration information setting, delay start, delay start expiration prompt, automatic power supply at the time of delay start expiration, wearing anomaly prompt, automatic power off, power supply information storage, and network synchronization of power supply information.L'invention concerne un système de commande de circuit pour alimenter la peau en courant électrique et un procédé de fonctionnement associé. Le système de commande de circuit comprend : un système sur puce (SOC) (1), le SOC (1) comprenant un processeur (11) pour effectuer un calcul, une unité de stockage (12) pour stocker des informations d'administration de médicament, une unité mémoire (13) pour réaliser un échange de données et une mise en mémoire tampon de données,