Unani medicine is part of Pakistani culture and is popularly practiced by a large segment of the population. This medicine system originated in Greece and was brought to the subcontinent by Muslim scholars. However, the unani medicine currently practiced in Pakistan is vastly different from its Greek roots The study was conducted to assess the economics of medicinal crops in the low intensity cropping zone of Punjab. Therefore 80 respondents were taken from Karror Laal Eson and Layyah tehsil of Layyah in Punjab. Percent area allocated to Lallemantia royleana crop was comparatively higher at small farms as compared to medium and large farms. The study showed higher yield of L. royleana at large farms as compared to medium and small farms. Average gross revenue by small, medium and large -1 farmers was Rs. 44175, Rs. 52483.02 and Rs. 55247.73 acre respectively. Average net income by small, medium and large farmers was Rs. 25281.02, Rs. 28734.98 and Rs. 28763.83, respectively. Benefit cost ratio for small, medium and large farmers was 2.34:1.00, 2.21:1.00 and 2.09:1.00 respectively. Cultivation of L. royleana in Punjab is profitable enterprise. Because of low cost of production the profitability of L. royleana at small farms was higher as compared to other farm size categories.