Tray with the left hand to take, palm outstretched, Mum pointing to the left, four fingers points forward flat support, with the right hand to hold the right edge of the tray, and to maintain balance; running when holding a heavy tray, the left finger can be turned back to the edge of the tray on the shoulder to hold the smooth. Walking on the principle of left behavior, ear and eye reaction should be sensitive, and the footsteps should be steady; using the left hand tray with the right hand to protect: because ① most of the doors open to the right, need to be pushed with the right hand or kicked to open, so usually use the left hand to carry. Doors may bounce back quickly after opening, if the left hand tray will be easy to find and the right hand can be blocked, when the arrival of the service counter, the right hand, if necessary, can also clear the service counter, in order to put down the food tray. ② carry trays above the head of the guest, when there is no concern about obstructing the view, the left hand equal to the shoulder position, away from the hair, and use the right hand to keep the corner of the edge. ③Practice the correct way to carry the tray. Incorrect holding can cause shoulder muscles and arms to cramp or bend the knees. Therefore, the waiter learns how to use the hand tray, work in the restaurant that is used freely and safely.