Because of work reason hand small muscle is in fatigue condition for a long time, how to do feeling

According to your description, long hours of work lead to hand fatigue and weakness. First of all, we should pay attention to rest. We can't continue to do physical labor or typing. We can massage our hands, move our arms more, do massage, acupuncture, moxibustion, electric baking, hot compress and other physiotherapy, and we can also take a hot bath.