The invention relates to a method assists during felling of a tree. The method includes the steps of: a) providing a property of the tree and/or a property of an environment of the tree; b) obtainingfelling information related to an ideal felling direction of the tree based on the provided property; and c) outputting the obtained felling information. The system 10 is configured, in particular, for executing the above-described method. In addition, the invention also relates to a system for assisting during felling of a tree. The system has a provision device, a determination device and an output device. The provision device is configured to provide the property of the tree and/or the property of the environment of the tree. The determination device is configured to obtain the felling information Info related to the ideal felling direction of the tree based on the provided property. The output device is configured to output the obtained felling information.