In the world of plants, it is very difficult to find plants such as citrus fruits (lemon, orange, tangerine, grapefruit, etc.), all parts of which are useful and suitable for consumption. Leaves, shoots, flowers and peel of citrus fruits are widely used in the lighting, perfume and food industries. They are the main source of essential oil. Lemon essential oil is used in the pharmaceutical industry to add flavor and aroma to medicines. The substance styrene is extracted from essential oil, which is combined with a 1-3% alcohol solution and used to treat hypertension. Aromatic lemon juice is used to remove rust and various stains on household tools and clothing. Citrus fruits, in addition to being consumed in an aromatic state, are also used in the confectionery and canning industry for the preparation of marmalade, sweets, sugar, jam, jam, thirst-quenching drinks, syrups, multivitamin wines, lemonades, and syrups. , compotes, tinctures, vodka, aromatic syrup. Lemon is eaten with boiled meat, fish, sihkabob (kebabs), soup, soup, etc. Citrus fruits have important healing and dietary properties, are the richest source of vitamins and the most important medicine for diseases: vitamin deficiency, sore throat, pharyngitis, influenza, fungal diseases, rheumatism, scurvy, high blood pressure, for rapid growth of areas during surgery, they are cut and used for rapid healing of broken bones. They serve as the best means of strengthening the overall immune system of the body. Citrus fruits occupy first place among fruit plants in their dietary and medicinal properties. Lemon – Citrus Lemon (L) Burn. Lemon fruits contain: sugar 2.06-6.0%; organic acids 5.75-6.0%; citric acid 0.75%; pectin 0.5%; rich in glycosides, essential oils, phytoncides and vitamins A, B, C, P and have high dietary and important medicinal properties. The lemon fruit is considered the most valuable and healing among other fruits. Information about the healing properties of lemon is given in the ancient literature of different peoples of the world starting from 3000 BC. Indian monuments emphasize that in order to live a long and healthy life, to protect and strengthen the body from infectious diseases, it is necessary to develop the habit of eating at least one lemon a day or drinking lemon juice. In the 4th century BC, the Chinese called the lemon fruit “li-mung”, which translated into Tajik means “medicinal fruit”. In the 1st century AD, the Greek scientist Pliny Kalanus noted that lemon fruit was an important medicine for snake venom (morgazid). The great Tajik scientist and thinker Abu Ali ibn Sina in the book “Al-Qanun” recommends lemon juice for the treatment of diseases: palpitations (heart attack), fever, food retention, appetite, cleansing spots and spots on the skin of the face. , swelling, cough and suppression of hiccups, thick lemon juice to cleanse the stomach, lemon seed oil to treat diseases of the damaged nervous system. He recommended oil extracted from the peel of lemon for the treatment of paralysis.” According to the works of Aburaikhan Beruni, lemon fruits awaken the activity of the stomach and strengthen the heart. Muhammad Hossein Shirozi (18th century) shows who is the healer of the cold and dry client, to treat diseases associated with the hot client of the liver and stomach, such as sarparvin, liver poisoning and hypoacid gastritis, fever and diseases during the breakdown of the blood. composition, i.e. It is considered healing for infectious diseases and epilepsy. Muhammad Hossein Shirozi recommended lemon for the treatment of asthma, angina pectoris, rapid heartbeat, as an antidote, especially for insect bites, and also to eliminate the effects of alcoholic beverages. Lemon juice cleanses the face and removes blemishes. Applying heated lemon peel to the face during a headache relieves headaches (caused by hot air). However, lemons are believed to be harmful for cold-related illnesses, especially coughs and other colds. Thus, ancient and modern medical views are incompatible. After all, when consuming lemon when coughing, the cough first intensifies, and then vitamin A.S.R, which is abundant in lemon fruits, ensures a reduction in windy processes. When lemon is consumed with sugar and honey, it eliminates cough and other illnesses of a person suffering from a cold. Azerbaijani scientist Suleiman Irevani wrote in the 15th century that the bark and peel of the fruits, flowers and leaves of lemon strengthen the heart, stimulate the appetite and are an antidote, in addition, they remove bitterness. Useful against Artemia.