The present invention relates to an envelope packaging machine for preserving fruit fruits or fruits for protecting a fruit or a fruit for growth, the envelope packaging machine comprising: a first auxiliary support which is divided into two bifurcations toward the upper side； and a first gap support fixture； A second spacing adjustment support consisting of a second handle supporting the first auxiliary support and a second handle extending symmetrically with the first handle to the lower side of the second auxiliary support； A hinge pin for rotatably fixing the first and second gap adjusting supports in close contact with each other； An interval rod which is perpendicularly connected to the upper ends of the first and second auxiliary supports so as to be parallel to each other； A gap holding member provided between the first and second grips； A pair of tightening fasteners movably pinched on both sides of a tightening string formed in the envelope opening and retaining the tightening state of the envelope opening by tightening the tightening string； And a locking piece formed to face the free end of the spacing rod at a right angle at an upper direction and to be fitted in left and right space portions formed by the fastening pieces, Wherein one of the hooking pieces of the first and second auxiliary supports sandwiched in the left and right space portions moves the fastening piece toward the envelope and the other one of the hooks of the first and second auxiliary supporting rods The bag is moved out of the bag and the envelope opening is tightened by tightening the bagging line.생육과일 또는 열매를 감싸 보호하기 위한 생육과일 보호용 봉투 포장기에 있어서, 위쪽을 향하여 두 갈래로 갈라지는 제1보조지지대와, 상기 제1보조지지대의 하측으로 연장형성되는 제1손잡이로 이루어지는 제1간격조절지지대； 위쪽을 향하여 두 갈래로 갈라지는 제2보조지지대와, 상기 제2보조지지대의 하측으로 상기 제1손잡이와 대칭되게 연장 형성되는 제2손잡이로 이루어지는 제2간격조절지지대； 상기 제1 및 제2간격조절지지대를 밀착시켜 회동가능하게 고정하는 힌지핀； 상기 제1 및 제2보조지지대의 상단에 직각을 유지하고 서로 평행을 이루도록 연결되는 간격봉； 상기 제1 및 제2손잡이의 사이에 설치되는 간격유지부재； 상기 봉투 개구부에 형성되는 조임줄의 양측에 이동가능하게 끼위지고, 상기 조임줄의 조임에
