Agriculture play key role in the development of the world because it supply food to human being for its survival. Gradually garlic is considered vegetable. Its botanical name is Allium Sativum which belongs to family Lillaceae. Garlic is consumed everyone in the world due to its medicinal value and flavor. It is the rich sources of vitamin B6, Vitamin C, sulfur compound, calcium, iron, magnesium, phosphorous, potassium, sodium , zinc, manganese and allin which are the important component of the body. Seeing to its importance the study was carried out since August 2018. The major objective of the study was to analyze the Garlic effects on human health in the study area. Total ten articles were download from the net and each one read to ten times and studied in depth while also collected data from 100 respondents of the University community through questionnaire about garlic utilization. The result analyze that garlic play key role in the control of human diseases while excessive consumption create miss happening in the human body. The study further explains that the people who eat garlic, having less chances of blood pressure and heart disease. It reduces the severity of flue, common cold and gangrene while decline the low density lipoprotien (LDL) cholesterol who have high cholesterol level. Its eating also lessen the effect of colon cancer, rectal cancer, stomach cancer, bladder cancer, breast cancer, prostate cancer, multiple myeloma, lung cancer, Alzheimer, dementia diseases and hyperlipidaemia. Similarly garlic decreases the sugar in human body and control the diabetes. It improves physical performance in lab animals and heart disease able person while also decrease the lead toxicity in the human body who work in battery places. Diluted garlic extract play major role in tapeworm infections in the children. It fed to athletes for stamina increasing , however garlic are used as a useful compound in treatment of arthritis, toothache, chronic cough, constipation, parasitic infestation, snake and insect bites, gynecologic diseases, as well as in infectious diseases. Garlic extracts work as antimicrobial in bacteria, fungi and virus. The people use it in multiple dishes for the purpose of flavor and taste while also used its mixture for the healthiness of hair. Garlic spray is used for mosquitoes control in the world while also some time used for the control of harmful insects as insecticides. Green garlic play key role in cleaning the vessels of the human arteries. Garlic excess consumption cause heartburn in human being while some time also cause vomiting, irritation, liver toxicity, nausea, Eczema, Dizziness, hyphema, kidney hematomas and gastro esophageal reflux diseases in human body. Not only for the human being it is beneficial but also beneficial for the animals. The eating of garlic is prohibited for Asthma disease able persons and pregnant women while also prohibited in the time of any surgery because it increases the bleeding time. The study finally recommended that three cloves eating of garlic on daily basis is beneficial for human being while Doctor advised is required because sometime instead of benefits the garlic is allergic for human body. Similarly many clinical trials showed a positive effect of garlic for above mentioned diseases while recent studies indicate doubt about cholesterol lowering. It is a big challenge for all scientists in the world to make a proper use of garlic because it is the cheapest way to prevent cardiovascular disease. The study finally recommend that to increase garlic productivity in the study area and new research laboratories should be increased for the chemical analysis of garlic in the world, to practically know the situation either garlic is beneficial or harmful for human being.