A leisure chair comprising: a base adapted to be placed on a ground, with the base including an upper end having a supporting portion, with the base further including a rear end; a seat mounted on the upper end of the base, a backrest including a lower end pivotably connected to the rear end of the seat, with the backrest having a rearward inclination angle relative to the seat, with the rearward inclination angle being adjustable; a connection seat mounted between the base and the seat, with the connection seat including a lower coupling portion, two pivotal rod units, and an upper coupling portion, with the lower coupling portion coupled with the supporting portion of the seat, with the lower coupling portion including two sides, with a lower coupling plate provided at each of the two sides of the lower coupling portion and extending in a front/back direction of the seat, with each of the two pivotal rod units pivotably connected to and movable relative to one of the lower coupling plates, with each of the two pivotal rod units including a front, vertical pivotal rod substantially extending perpendicularly to the ground, a rear, vertical pivotal rod substantially extending perpendicularly to the ground, and a connecting rod extending in the front/back direction of the seat, with the front, vertical pivotal rod of each of the two pivotal rod units having a lower end pivotably connected to a front end of the lower coupling plate, with the rear, vertical pivotal rod of each of the two pivotal rod units having a lower end pivotably connected to a rear end of one of the two lower coupling plates, with the connecting rod of each of the two pivotal rod units having a rear end pivotably connected to an upper end of one of the rear, vertical pivotal rods, with the connecting rod of each of the two pivotal rod units further having a front end located in front of a front end of one of the front, vertical pivotal rods, with the upper coupling portion including two upper coupling plates extending in the front/back direction of the seat, with the two upper coupling plates fixed to the seat, with each of the two upper coupling plates pivotably connected to the upper end of the front, vertical pivotal rod of one of the two pivotal rod units; a legrest unit including two link units movable between an extended position and a folded position, with each of the two link units including a rear end pivotably connected to the front end of one of the upper coupling plates and one of the connecting rods; an adjusting unit including a driving rod pivotably connected to a rear end of the legrest unit, wherein when the driving rod moves forwards, the two link units move to the extended position, the connecting rods are actuated to move the two pivotal link units, and the upper coupling portion moves forwards relative to the lower coupling portion. a base adapted to be placed on a ground, with the base including an upper end having a supporting portion, with the base further including a rear end; a seat mounted on the upper end of the base, a backrest including a lower end pivotably connected to the rear end of the seat, with the backrest having a rearward inclination angle relative to the seat, with the rearward inclination angle being adjustable; a connection seat mounted between the base and the seat, with the connection seat including a lower coupling portion, two pivotal rod units, and an upper coupling portion, with the lower coupling portion coupled with the supporting portion of the seat, with the lower coupling portion including two sides, with a lower coupling plate provided at each of the two sides of the lower coupling portion and extending in a front/back direction of the seat, with each of the two pivotal rod units pivotably connected to and movable relative to one of the lower coupling plates, with each of the two pivotal rod units including a front, vertical pivotal rod substantially extending perpendicularly to the ground, a rear, vertical pivotal rod substantially extending perpendicularly to the ground, and a connecting rod extending in the front/back direction of the seat, with the front, vertical pivotal rod of each of the two pivotal rod units having a lower end pivotably connected to a front end of the lower coupling plate, with the rear, vertical pivotal rod of each of the two pivotal rod units having a lower end pivotably connected to a rear end of one of the two lower coupling plates, with the connecting rod of each of the two pivotal rod units having a rear end pivotably connected to an upper end of one of the rear, vertical pivotal rods, with the connecting rod of each of the two pivotal rod units further having a front end located in front of a front end of one of the front, vertical pivotal rods, with the upper coupling portion including two upper coupling plates extending in the front/back direction of the seat, with the two upper coupling plates fixed to the seat, with each of the two upper coupling plates pivotably connected to the upper end of the front, vertical pivotal rod of one of the two pivotal rod units; a legrest unit including two link units movable between an extended position and a folded position, with each of the two link units including a rear end pivotably connected to the front end of one of the upper coupling plates and one of the connecting rods; an adjusting unit including a driving rod pivotably connected to a rear end of the legrest unit, wherein when the driving rod moves forwards, the two link units move to the extended position, the connecting rods are actuated to move the two pivotal link units, and the upper coupling portion moves forwards relative to the lower coupling portion.