The invention discloses a reinforced nasal gastrointestinal tube and a using method thereof. The reinforced nasal gastrointestinal tube comprises a main tube, a clamping groove, a tube head assembly, a nasal plug assembly, a spring, a first balloon, a connector, a water injection tube, a second balloon and a one-way valve. The use method comprises the following steps: step 1, assembling parts; 2, inserting a main pipe; 3, fixing the main pipe; step 4, putting into use; the spring is arranged in the main tube, the main tube can be prevented from being flattened and folded after being placed into a human body, the balloon is arranged at the head of the main tube, the head of the main tube can form a heavy head by injecting substances such as normal saline, and then the main tube can be fixed through the gravity of the head and gastrointestinal motility. The main tube naturally passes through parts which are difficult to pass through such as pylorus and duodenum, so that intubation is convenient; the tube head assembly is designed, the suction hole can be prevented from being easily adsorbed and blocked by the stomach wall, the nasal plug assembly is designed, the position of the main tube can be fixed, use is more convenient, and the skin cannot be injured.