Objective To analyze the drug using regularity in treating breast cancer in spring of professor Lu Ming. Methods Prescriptions that treated breast cancer in 2013 spring of professor Lu Ming were collected, and then metrology analysis was used to study the frequency, property, flavor and meridian attribution of herbal medicine in these prescriptions, and analyze their basic medication features. Results Among the collected 111 prescriptions of professor Lu Ming for treatment of breast cancer, the most often used prescription was sedatives and tranquilizers and nourishing yin;commonly used medications were Lanceleaf lily bulb, cortex albiziae, radix astragali, radix paeoniae alba and so on. The herbal medicine used included five kinds of properties, and the two most common ones were warm and plain. There were six different flavors, among which sweet and bitter were the two most common ones. Nine meridian attributions were identified, among which liver meridian and spleen meridian were the two most common ones. Conclusion Clinical treatment of breast cancer should be based on sweet-warm nourishing herbal medicine, while paying attention to tranquilizing and sedating the mind. Symptoms should be treated by using clearing heat and promoting diuresis. In addition, it should be noted that the spring medication should conform the warmth of spring qi.