Fotalin ointment is a commonly used topical anti-inflammatory and analgesic drug for the relief of mild to moderate pain in muscles, soft tissues and joints. For example, it is used to relieve sprains, strains, contusions, strains of muscles and soft tissues, pain caused by low back injuries, and joint pain, etc. Since it is a topical drug, it can reach the affected area quickly, is easy to use, and avoids the side effects of oral preparations such as gastrointestinal irritation, many patients prefer to use it. However, in clinical work, it is found that many patients in the use of this drug in the process of some improper use of the phenomenon, affecting the efficacy of the drug. The dosage is not enough, unlike many other topical drugs dosage for “the right amount”, the patient can apply some drugs to the affected area. The use of fotarine needs to reach a certain amount of medicine to play a role, because it is similar to toothpaste, usually need to “use fotarine ointment 3-5cm, or more”. 2, improper usage Unlike many other topical drugs that can be “applied to the affected area”, Fotalin relies on the skin to absorb the drug so that it can reach the affected area to exert its effect. Therefore, after applying the drug, you need to “gently rub, so that the drug ingredients penetrate the skin, until the drug disappears, only to show that it is absorbed”. 3. Insufficient times In order to achieve a sustained effect, eliminate inflammation, relieve pain, the drug needs to be used “3-4 times a day”, too few times will also affect the effectiveness of the drug.