The invention provides a control method for a portable weight reducing apparatus, which comprises the steps of starting the portable weight reducing apparatus; selecting one of a body shaping pattern,a body building pattern and body slimming pattern to perform weight reducing, wherein the body shaping pattern comprises at least one of a
radio frequency mode, an ultrasonic weight reducing mode, avibration mode, a
laser physiotherapy mode, a heating physiotherapy mode and an extruding physiotherapy mode, the body building pattern comprises at least one of an ultrasonic weight reducing mode, alaser physiotherapy mode, a heating physiotherapy mode and an extruding physiotherapy mode, and the body slimming pattern comprises at least one of a vibration mode, a heating physiotherapy mode and an extruding physiotherapy mode. The control method for the portable weight reducing apparatus comprises multiples patterns, namely, the body shaping pattern, the body building pattern and the body slimming pattern, and each pattern comprises at least one weight reducing, body shaping and / or physiotherapy mode, thereby being high in selectivity and easy to meet requirements of consumers.