Abstract: Methods and devices for adjusting the position of a seat in a vehicle are described herein. The methods include obtaining pressure values output by a plurality of sub-sensors; calculating a mean square value and an average value of the pressure values output by the sub-sensors; judging whether a ratio of the mean square value to the average value is greater than a preset value; obtaining pressure values output by a front pressure sensor, a rear pressure sensor, a left pressure sensor and a right pressure sensor when the ratio of the mean square value to the average value is greater than the preset value; adjusting fore-and-aft positions of the seat according to the pressure values output by the front pressure sensor and the rear pressure sensor; and adjusting lateral positions of the seat according to the pressure values output by the left pressure sensor and the right pressure sensor.