Naida is the trade name, and Naida Metformin Extended-Release Tablets refers to Metformin Hydrochloride Extended-Release Tablets, and patients are required to take the medication orally as prescribed by their doctor. Metformin hydrochloride extended-release tablets are mainly used for the treatment of type 2 diabetes mellitus in adults who are ineffective in dietary control and exercise therapy alone. When patients take the drug, it must be swallowed whole, not crushed or chewed and taken, the drug is usually taken with dinner, which can reduce gastrointestinal complications. Metformin Hydrochloride Extended-Release Tablets are usually started at a dose of 500 mg once a day, or 1000 mg once a day as clinically indicated, with the dose increasing by 500 mg per week to a maximum dose of 2500 mg. Patients are also required to monitor their condition by testing their glycosylated hemoglobin every 3 months after taking the medication. Patients are advised to take Metformin Hydrochloride Extended-Release Tablets under medical supervision.