The utility model discloses a novel multi -functional landscape beta pruning device, press from both sides the cover including handle, vice pole, go -between, vice pole telescopic link, clamp cover, stay cord, fixation clamp cover and activity, the top of mobile jib telescopic link is located to the saw chain subassembly, vice pole is connected with the mobile jib through the go -between, movablemounting has vice pole telescopic link on the vice pole, the top of vice pole telescopic link is equipped with and presss from both sides the cover, it presss from both sides the cover including fixation clamp cover and activity to press from both sides the cover, vice pole is equipped with the stay cord with the inside of vice pole telescopic link, the both ends of stay cord press from both sidesthe cover with handle and activity respectively and are connected. The utility model discloses high -branch chain saw to among the prior art improves, overlaps through setting up supplementary fixedpressing from both sides, when utilizing the saw chain to carry out the beta pruning, avoids the saw chain offset because of vibrations lead to to improve the degree of accuracy and the stability of beta pruning, improved operation experience.