Patients with a history of vitamin C allergy. Patients with asthma due to cardiopulmonary edema Pregnant or lactating women Patients with a survival time of less than 24 hours Patients with a history of end-stage lung disease, end-stage malignant tumor, G-6-PD deficiency, diabetic ketoacidosis, active kidney stone disease, and severe kidney disease Patients who have already enrolled in another clinical trial Patients with a known history of kidney disease, chronic renal failure, or acute renal failure during hospitalization

Patients with a history of vitamin C allergy. Patients with asthma due to cardiopulmonary edema Pregnant or lactating women Patients with a survival time of less than 24 hours Patients with a history of end-stage lung disease, end-stage malignant tumor, G-6-PD deficiency, diabetic ketoacidosis, active kidney stone disease, and severe kidney disease Patients who have already enrolled in another clinical trial Patients with a known history of kidney disease, chronic renal failure, or acute renal failure during hospitalization