When it is found that the mouth of the pine tree turns crimson, it should be stopped immediately to avoid affecting the health of the whole pine tree. The natural healing process is relatively long and takes some time. At this time, it will be helpful to supplement it with more nutrition, such as fertilizing it and adding mud.

Trees are self-healing, and slowly heal under the tenacity of pine trees. However, the beak shape formed at the corner will hinder the natural healing of the wound, so it is necessary to use tools such as iron brocade hook saw and flat saw to trim the cut wound neatly and help it heal itself faster.