Intelligent punch bag

The invention relates to sporting goods, and particularly relates to an intelligent punch bag. The punch bag comprises a charging board, a receiving coil, a balance weight base, an object sensor, a shell, a battery, an air pump, an air pipeline, a controller, a processor, a memory, a press plate, a high-pressure air bag and a speed-measurement sensor, wherein an iron counterweight is arranged at the lower part in the base, the receiving coil is arranged inside the iron counterweight, and the charging board is arranged at the bottom of the iron counterweight; the air pump is controlled to start the air pump by utilizing the sensor inside the base, and the air bag is boosted and expanded; the air pump is controlled to pump air by utilizing the sensor, so that the air bag is reduced to an initial state; a plurality of infrared speed sensors are arranged inside the air bag, and are used for sensing the punching speed and strength of a user; the memory is used for recording and analyzing data, saving data based on