Is there a connection between plum nucleus gas and stomach problems?

Plum nucleus qi is generally not related to stomach problems.
Plum nucleus qi refers to foreign body sensation in the pharynx, such as plum nucleus obstruction, clucking out and swallowing. The feeling of obstruction in the pharynx is more in the swallowing action, especially in the swallowing of saliva, but when swallowing food, there is no abnormal sensation or even some relief, check the pharynx or neighboring organs and there is no organic lesions.
Gastropathy is a collective term for stomach diseases, and clinically common gastropathy includes acute gastritis, chronic gastritis, gastric ulcer, etc. The common manifestations are epigastric pain, gastric distension, belching (burping), acid reflux, and even nausea, vomiting, etc. Generally speaking, prurigo is not associated with gastropathy.
Generally, there is no relationship between Meibomian Qi and gastric disease, but there can be cases of both Meibomian Qi and gastric disease at the same time.
If you feel unwell, it is advisable to consult a doctor. For specialized medical problems, it is advisable to consult a doctor.