Notes for Peak Ultrasound King include avoiding lactation, pregnancy, and menstruation. According to the official account of Jianfeng Ultrasound King, Jianfeng Ultrasound King is an instrument that uses focused ultrasound technology to treat patients. Precautions are to avoid lactation, pregnancy, and menstrual periods. Jianfeng Ultrasound King is an ultrasound treatment equipment produced by Hunan Jianfeng Laser Medical Technology Co., Ltd.