Buddha’s blessing is the influence of positive energy.
For example, children become bolder and braver when they are around their parents. This invisible influence of parents on their children is the "blessing power".
The same is true of the Buddha's influence on devout Buddhist disciples. It can make Buddhist believers more confident and energetic. This invisible support is called Buddha's blessing.
If we rise to the level of Prajna, if we can realize that our own nature is Buddha, then we will immediately be freed from troubles and pains, feel relaxed and at ease, and everything will be fine. This is the real blessing of Buddha's power.