What does it mean that the old man stretched out four fingers before he died?

There are many reasons for this phenomenon, which may be caused by the instinctive neuromuscular elongation of the body before death. It may also be related to 4, such as money and bank passwords. It may also be that he was sober-minded before his death and hoped that the family would be stable, United and harmonious all the year round. Of course, it may always be a mystery. I hope you can solve it slowly.