The invention provides an electric hydrofoil surfboard and a control method. The electric hydrofoil surfboard comprises a water skiing board, a supporting rod and a hydrofoil plate; the water skiing board is provided with a control system, the control system comprises a controller and an attitude sensor electrically connected with the controller, and the controller is used for acquiring attitude data, detected by the attitude sensor, of the water skiing board; one end of the supporting rod is connected with the water skiing board, an angle adjusting motor is arranged on the supporting rod, theangle adjusting motor is electrically connected with the controller, and the controller is used for sending a first control instruction to the angle adjusting motor based on the attitude data so thatthe angle adjusting motor can adjust the attitude of the water skiing board according to the first control instruction; and the hydrofoil plate is connected with the other end of the supporting rod.By means of the mode, the electric hydrofoil surfboard can conduct balance adjustment by itself without completely depending on the balance capacity of a user, then the control difficulty is lowered,the entry threshold of the user is lowered, and the user experience is improved.